Audio problem: Drake starts playing his electric guitar while Josh is doing his homework. His guitar sounds amplified, even though his guitar isn't plugged into an amp.
Audio problem: After the guy runs away Megan pretends to leave and she starts stomping her feet, then when Drake says, "Wait!" she stops stomping her feet, but you can still hear the stomping sound.
Audio problem: Season 2, episode 18 "Drake and Josh Go to Hollywood": During Drake's song at the end, the drummer is out of sync with the song. There are also several instances where the song has a drum fill in it, and the drummer does not play it.
Chosen answer: It's just a screaming fan that knows everything about Drake.
BigOLB