Billy has worked with...
Adam Levy	Hello Dave	Michelle Malone
Adrianne	Indigo Girls	Mike Ruekberg
Alex Oana	Jackson Browne	Nina Storey
Amy Correia	James Gadson	Paper Sun
Anya Marina	Jay Nash	Pat Green
Beth Hart	Jennifer Stills	Pat McGee Band
Beth Waters	Jenny Labow	Paul Wright
Buck Johnson	Jessie Baylin	Peter Bradley Adams
Catherine Feeny	Jim Bianco	Peter Erskine
Charlotte Martin	Joe Purdy	Peter Moshay
Chris Lovejoy	John Fields	Radford
Chris Pierce	Jon Rajewski	Rob Seals
Chris Thile	Jordan Lawhead	Sara Watkins
Craig MacIntyre	Joshua Grange	Sean Watkins
Dakota	Julie Gribble	Shane Alexander
Damien Rice	Justin Jones	Shannon Curfman
Dan Lavery	Katy Eggleton	Shannon McNally
David Crosby	Katy Perry	Sheldon Gomberg
Dazy Head Mazy	Ken Andrews	Steve Poltz
Domestic Problems	Kendall Payne	Steve Reynolds
Don Gehman	Kenny Aronoff	Susan Sandberg
Ebony Tay	Lauren Barrett	Tara Maclean
Fran Banish	Leep 27	Tim Jones
Forrest	Lenny Castro	Tracy Spuehler
Gabriel Mann	Life In General	The Nadas
Garrison Starr	Marlee MacLeod	Tina Schlieske
Geoff Pearlman	Matt DelVecchio	Tristan Prettyman
Giovanni Hidalgo	Mark Dearnley	Tyler Hilton
Glen Phillips	Michelle Branch	Tyrone Wells
Heather Waters	Michelle Featherstone	Willie Wisely
Friends...
AlexDesignz	Mia Crowe
Alice Peacock	Mike Balter Mallets
All American Rejects	Nini Camps
Ami Lum	Paiste Cymbals
Anne McCue	Percussive Arts Society
Cajongo	Protection Racket
Cameron McGill	Regal Tip
Ellis Drum Shop	Rikki Rockett
Erin Russell	Ron Sexsmith
Evans Drumheads	Sara Osmer
Hanson	Vater Sticks & Mallets
Latin Percussion	World Cafe w/ David Dye
Local 47	WXPN
Madison Scouts