In a grand effort to share stupidity with all y'all, I've actually found a strong answer to this poll question. If you need to substitute "bands" for musicians, go ahead.
If I could only ever listen to music from three musicians, it would be, in no order:
Beethoven
Mingus
Dylan
If I could only ever listen to music from three musicians, it would be, in no order:
Beethoven
Mingus
Dylan