Lucas has collaborated with Leonard Bernstein, Jeff Buckley, John Cale, Nick Cave, David Johansen, and Lou Reed. He has also worked with Chris Cornell, Najma Akhtar, DJ Spooky, Dr. John, Amanda Palmer, Bryan Ferry, The Future Sound of London, Allen Ginsberg, Peter Hammill, Warren Haynes, Dave Liebman, Joe Lovano, Kate & Anna McGarrigle, Geoff Muldaur, Bob Neuwirth, Mary Margaret O'Hara, Graham Parker, Van Dyke Parks, Iggy Pop, Roswell Rudd, Fred Schneider, Richard Barone, John Sebastian, Adrian Sherwood, Patti Smith, Peter Stampfel, Damo Suzuki, Steve Swallow, Bob Weir, John Zorn, Nona Hendryx, Emir Kusturica and the No Smoking Orchestra, Hal Willner, Kip Hanrahan, Elli Medeiros, Haydee Milanes, Suylen Milanes, Los Van Van, and Alabama Three.