Only my Mates will get it...

Snausages: So, an E-flat, a G-flat, and a B-flat walk into a bar.
Snausages: And the bartender says,
Snausages: "I'm sorry, we don't serve minors."
Myke: That struck a chord.
Snausages: Careful with those puns, you'll get in treble.
Myke: But they're key to my humour.
Myke: And very noteworthy.