Charlie learns from Eddie Van Halen, in a fantastic cameo, that the artist always brings a guitar into the bathroom in case he gets inspired. What's not explained is how his electric guitar produced such an awesome riff without an amp.
Charlie and his studio friend, played by MadTV alumn Will Sasso, help Mia and her absolutely horrible voice record an album. Hey, anything to get in a woman's pants.
Jake [about his sister]: So far she eats, she poops and she sleeps. I'm not impressed Berta: Give her a bad hair cut and she'd be you Jake: Excuse you, I paid $9 for this haircut Berta: Sorry
