Professor Punsley's Puns for the Win

Why did the cat join a band? Because it wanted to be the purr-cussionist!

Why did the scarecrow win an award? Because he was outstanding in his field!

What do you call a group of cows playing instruments? A moo-sic band!

Why did the bicycle fall over? Because it was two-tired!

What do you call a can opener that doesn't work? A can't opener!