Q: What's the definition of a minor second?A: Two flutes playing a unison.Flute players spend half their time tuning their instrument and the other half playing out of tune. Q: Why do loud, obnoxious whistles exist at some factories?A: To give us some sort of appreciation for flutes.Q: What is perfect pitch on a flute?A: When it misses the rim of the toilet as you throw it in.