Could have been mine. I've recorded as many as 12 different parts playing multiple brass instruments vis piccolo trumpet, trumpet or cornet, mellophone (F), euphonium or trombone and tuba. No drums ... no one waving a stick at me ... for tempo and my track time for Stars and Stripes, Forever! is 3:38 ... identical to that of USMC "President's own". Note that I was trained by lead cornetist of Sousa's second band 1926-31. On my CD release "Choices Volume One" I play Shake Rattle and Roll, and Stayin' Alive that without drums would fall apart if the tempo were incorrect. Yes, you can bet for such I've mechanical copyright licenses.