The Greyboy Allstars Are: Karl Denson - Sax, Flute & Percussion Elgin Park - Guitar Zak Najor - Drums & Percussion Chris Stillwell - Bass Robert Walter - Keyboards The Greyboy Allstars are back from a 6 year hiatus touring again this spring in the USA. This band is a supergroup formed by DJ Greyboy. Karl Denson has his own band called Karl Denson's Tiny Universe. Elgin Park composed the music for Donnie Darko. Robert Walters has his own band called Robert Walter's 20th Congress.