"There's nothing you can really do to prepare to rock. Do you prepare to eat a delicious meal? Are you hungry? Then you're gonna eat it"

This quote by Jack Black is a metaphor for how one must approach performing music. Just like one does not need to prepare to eat a tasty meal when they are hungry, one does not need to prepare to rock when they are feeling the desire to perform. The quote is recommending that when one is feeling the desire to carry out, they should simply go for it and not stress over preparing. It is also suggesting that the very same interest and passion that one has for a scrumptious meal must be used to carrying out music. The quote is motivating individuals to simply go all out and not stress over preparing excessive. It is recommending that the same interest and enthusiasm that a person has for a delicious meal should be used to performing music. The quote is a tip that when one is feeling the desire to perform, they should simply go for it and not fret about preparing too much.