"I'll beat you over the head with my metaphoric stick of knowledge"

I just need to know; extra credit.
Although google has nothing to say about it, I have definitely heard that somewhere before. What kind of class is this for? That could help narrow it down.
Telecaster - SG - Jaguar
Princeton Reverb, Extra Reverb
P-Bass - Mustang Bass
Apogee Duet 2 - Ableton Suite