There’s more to any musical performance than the dots and lines.

Different recordings of Bach BWV 1007 (cello suite no. 1 in G)—differences not only in speed and loudness, but it extraneous sounds, ambience, etc.

Glenn Gould

Keith Jarrett

https://www.youtube.com/watch?v=lBnwDTAoAC8&t=10m45s

Ramones, “Rock ’n Roll High School” live, original Phil Spector mix, Ed Stasium remix

Ben Folds, “Cigarette”