On: Please do not attempt to simplify this code

[fogetti]

Can everyone claim that their terrible music is jazz music?

Yes.

[pknopf → fogetti]

Apart from a comedy bit, can everyone easily spot the difference?

Yes.

[kstenerud → pknopf]

No. Most jazz, including by the jazz greats, just sounds plain terrible. The worst is jam sessions, where everyone steps over each other but it sounds not abysmal at times because they're in the same key.