Once you've collected every 7'' from your favorite label, broken your back in the mosh pit, and become so well-versed in the interpersonal dynamics of every hardcore band that there's nothing more to learn, what's a punk to do? Try jazz, recommends Bob Suren. No, really. Suren, who wrote Crate Digger about his life and work in punk, turns his obsessive gaze onto another form of rebellious, improvisational outsider music, but this time with more sax.