B flat jokes
Why is a wet pavement like playing music?
If you don't C sharp, you'll B flat.
What did music tell the pancakes? -- B flat.
You need to play a B flat, not a C sharp, you just got band!
Roses are red, violets are black. Why is your chest as flat as your back?
Show me a piano falling down a mineshaft, and I’ll show you A-flat minor.
How do you cover 12 holes with one hole?
Take a flute and shove it up your ass.