A busker is a wee guy (or woman) who plays on the streets for tips. In bands, to busk, means to bluff your way through a song that you haven't rehearsed with whomever you happen to be standing onstage. Often, you have never played it before. Sometimes you might not have even heard the song before. When there is a big crowd in front of you, listening to every note, that can be fun...Forbes has written an insightful, yet passionate and humorous book.