"What is the difference between..." joke

A french horn and a lawnmower?
You can tune a lawnmower.

An oboe and an onion?
Nobody cries when you chop an clarinet into little pieces.

A saxophone and a chainsaw?
The grip.

An accordion and a trampoline?
You are supposed to take off your shoes before jumping on the
trampoline.

A trumpet player and a government bond?
Government bonds eventually mature and earn money.