Think of a musical instrument

[koganbot]

Think of a musical instrument.

What was the first instrument that crossed your mind when I instructed you just now to think of a musical instrument?

(See comments.)

Comments

[jonathanbogart.livejournal.com]

When I read "Music!" I actually imagined some kind of club setting. So the instrument would be a sound system? A DJ? An infinite number of electronic bits representing all the potential sounds that could be played?