Welcome to CRAM SURG where with every episode we review a paper on a hot surgical topic and bring top experts in the discussion! We screen high impact surgical journals, pick a paper, review it and provide in-depth discussion about methodology and content. With the help of Professor Balasubramanian (see bio) we discuss highly relevant research methodology topics and bring them to you in an easy to digest format! Find out more at www.cramsurg.org enjoy! Our tunes are courtesy of bensound.com
Giordano Perin, Saba Balasubramanian, Adam Hague, Benjamin Wood, Joshua Lau
Paper for discussion: Breast Cancer Risk After Bariatric Surgery and Influence of Insulin Levels JAMAsurg May 2024 Teaching topic: multi arm RCTs part 4 - adaptive design Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Gio Perin talks about multi arm RCTs part 4 - adaptive design. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Morbidity After Mechanical Bowel Preparation and Oral Antibiotics Prior to Rectal Resection: The MOBILE2 Randomized Clinical Trial JAMAsurg Mar 2024 Teaching topic: multi-arm RCTs part 2 - factorial design Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Gio Perin talks about multi arm RCTs part 2 - factorial design. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Laparoscopic liver resection versus radiofrequency ablation for small hepatocellular carcinoma: randomized clinical trial BJS Apr 2024 Teaching topic: multi-arm RCTs part 3 - master protocols Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Gio Perin talks about multi arm RCTs part 3 - master protocols. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Intraoperative Wound Irrigation for the Prevention of Surgical Site Infection After Laparotomy A Randomized Clinical Trial by CHIR-Net JAMAsurg Feb 2024 Teaching topic: multi-arm RCTs Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Gio Perin talks about multi arm RCTs. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Validity and reliability of seismocardiography for the estimation of cardiorespiratory fitness, Cardiovascular Digital Health Journal Oct 2023 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Stoma-free survival after anastomotic leak following rectal cancer resection: worldwide cohort of 2470 patients BJS Oct 2023 Teaching topic: systematic review and meta analysis, part 2 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about systematic review and meta analysis, part 2. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about introduction to systematic review and meta analysis. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Use of a visceral protective layer prevents fistula development in open abdomen therapy: results from the European Hernia Society Open Abdomen Registry BJS June 2023 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Spontaneous Resolution of Uncomplicated Appendicitis may Explain Increase in Proportion of Complicated Appendicitis During Covid-19 Pandemic: a Systematic Review and Meta-analysis, WJS May 2023 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Diagnostic Accuracy of Unenhanced Computed Tomography for Evaluation of Acute Abdominal Pain in the Emergency Department JAMAsurg May 2023 Teaching topic: Statistical Tests part 1 - Chi-square Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about Statistical Tests part 1 - Chi-square. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Watch and wait after neoadjuvant treatment in rectal cancer: comparison of outcomes in patients with and without a complete response at first reassessment in the International Watch and Wait Database BJS Mar 2023 Teaching topic: Limitations of RCTs in surgical research - part 2 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about Limitations of RCTs in surgical research - part 2. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Double faecal immunochemical testing in patients with symptoms suspicious of colorectal cancer BJS Mar 2023 Teaching topic: Limitations of RCTs in surgical research Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about Limitations of RCTs in surgical research. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Intraoperative gallbladder perforation and risk of postoperative abscess with or without antibiotics: national cohort study of more than 108 000 cholecystectomies BJS Oct 2022 Teaching topic: evidence based medicine for surgeons and trainees - part 6 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about the evidence based medicine for surgeons and trainees - part 6. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Conversion from Laparoscopic to Open Appendectomy: Trends, Risk Factors and Outcomes. A 15-Year Single-Center Analysis of 2193 Adult Patients WJS Jul 2022 Teaching topic: N/A Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Validation of the Liver Transplant Score in Europe (BJS aug 2022) Teaching topic: the Delphi process Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Mr Abdul Hakeem (Consultant Hepatobiliary and Transplant surgeon at Leeds Teaching Hospitals) talks about the Delphi Process! Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Effect of Laparoscopic Sleeve Gastrectomy vs Roux-en-Y Gastric Bypass on Weight Loss, Comorbidities, and Reflux at 10 Years in Adult Patients With Obesity The SLEEVEPASS Randomized Clinical Trial JAMA surgery June 2022 Teaching topic: evidence based medicine for surgeons and trainees - part 5 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about the evidence based medicine for surgeons and trainees - part 5. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Self-selection vs Randomized Assignment of Treatment for Appendicitis, JAMAsurg May 2022 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Evolution of transoral endoscopic thyroidectomy vestibular approach according to the IDEAL framework, BJS Apr 2022 Teaching topic: the IDEAL framework Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about the IDEAL framework. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Analgesia in the Initial Management of Acute Pancreatitis: A Systematic Review and Meta-Analysis of Randomised Controlled Trials - WJS Jan 2022 Teaching topic: Evidence Based Medicine for Surgeons and Trainees - part 4 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about Evidence Based Medicine for Surgeons and Trainees - part 4. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Mortality Following Appendicectomy in Patients with Liver Cirrhosis: A Systematic Review and Meta-Analysis, WJS Jan 2022 Teaching topic: Evidence Based Medicine for Surgeons and Trainees - part 3 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about Evidence Based Medicine for Surgeons and Trainees - part 3. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Drain Versus No Drain in Open Mesh Repair for Incisional Hernia, Results of a Prospective Randomized Controlled Trial, WJS Dec 2022 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Biologic vs Synthetic Mesh for Single-stage Repair of Contaminated Ventral Hernias A Randomized Clinical Trial, JAMAsurg Jan 2022 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Association of a Liberal Fasting Policy of Clear Fluids Before Surgery With Fasting Duration and Patient Well-being and Safety JAMA surgery Jan 2023 Teaching topic: Validity and Reliability in Surgical Research Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about Validity and Reliability in Surgical Research. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Association Between Operative Autonomy of Surgical Residents and Patient Outcomes, JAMAsurg December 2021 Teaching topic: Evidence Based Medicine for Surgeons and Trainees - part 2 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about Evidence Based Medicine for Surgeons and Trainees - part 2. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Pulmonary Recruitment Maneuver Reduces Shoulder Pain and Nausea After Laparoscopic Cholecystectomy: A Randomized Controlled Trial, World Journal of Surgery Sept 2021 Teaching topic: Evidence Based Medicine for Surgeons and Trainees - part 1 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about Evidence Based Medicine for Surgeons and Trainees - part 1. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Sixty-Day Mortality of Patients With Metastatic Colorectal Cancer Randomized to Systemic Treatment vs Primary Tumor Resection Followed by Systemic Treatment The CAIRO4 Phase 3 Randomized Clinical Trial JAMA surg Oct 2021 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Antibiotics as first-line alternative to appendicectomy in adult appendicitis: 90-day follow-up from a prospective, multicentre cohort study, BJS Sept 2021 Teaching topic: propensity score matching Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about propensity score matching. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Laparoscopic Versus Open Liver Resection for Hepatocellular Carcinoma: A Case Controlled Study with Propensity Score Matching, WJS Apr 2021 Teaching topic: Prof Danny Rosin talks about the Editorial Process at the World Journal of Surgery - what surgeons need to know! Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Prof Danny Rosin (Prof of surgery at Tel Aviv Universy and associate editor at the World Journal of Surgery) talks about the Editorial Process at the World Journal of Surgery - what surgeons need to know! Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Overnight, things changed. Suddenly, we were in it': a qualitative study exploring how surgical teams mitigated risks of COVID-19, BJS open 2021 Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Prophylactic sublay non-absorbable mesh positioning following midline laparotomy in a clean-contaminated field: randomized clinical trial (PROMETHEUS), British Journal of Surgery Apr 2021 Teaching topic: problems with multiple statistical testing. Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Professor Saba Balasubramanian talks about problems with multiple statistical testing. Brought to you by CRAMSURG www.cramsurg.org Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US
Paper for discussion: Low-pressure versus standard pressure laparoscopic colorectal surgery (PAROS trial): a phase III randomized controlled trial, British Journal of Surgery Mar 2021 Teaching topic: p-values and confidence intervals. Our tune is"Inspiring Optimistic Upbeat Energetic Guitar Rhythm" by Free Music | https://soundcloud.com/fm_freemusic Music promoted by https://www.free-stock-music.com Creative Commons Attribution 3.0 Unported License https://creativecommons.org/licenses/by/3.0/deed.en_US