The most effective word-of-mouth marketing isn't about financial incentives and prizes for referring a friend. There certainly is value in "Refer a friend and receive $50 off". However, no one's really motivated by the money.
People are more motivated to talk about your studio when you create an experience worth talking about. Nate Terepka, of Echo City Music, creates a completely unexpected, over the top, unique recital experience. Its uniqueness makes for a good story. Good stories make for social currency. People who have interesting stories to share are perceived as interesting people.
Your phone will ring a little bit more when you're music studio is the source of an interesting story