Chamber, Quartets, String Quartets, Walker, George (composer)

Miró Quartet (chamber ensemble)

Catalyst Quartet

The Lydian String Quartet

Leon Bates, James Barbagallo, Roberto Díaz, Sal Andolina, Carolyn Enger, Ike Hawkersmith, Kirsten Gunlogson, Dean Anthony, Todd Thomas, Kevin Short (bass), Bart LeFan, Boris Berman (piano), Christopher Mallett, Tim Fain, Jeffrey Silberschlag, Peter Mintun, Christopher Lamb, Blair McMillen (piano), Seattle Symphony Orchestra, Fort Smith Symphony, São Paulo Symphony Orchestra, Royal Scottish National Orchestra, Nashville Symphony Orchestra, Malmo Chamber Choir, Malmö Symphony Orchestra, Carducci Quartet, Buffalo Philharmonic Orchestra, Bournemouth Symphony Orchestra, Son Sonora String Quartet, Virginia Symphony Orchestra, Nashville Symphony Chorus, Chicago Symphony Chorus, Ars Nova Copenhagen, National Orchestral Institute Philharmonic, Richard Hayman Orchestra, PostClassical Ensemble, The Elora Singers, Nashville Symphony, Hot Springs Music Festival Symphony Orchestra, Orf Vienna Radio Symphony Orchestra, Albany Symphony Orchestra, London Symphony Orchestra, Gerard Schwarz, John Jeter, Marin Alsop, Giancarlo Guerrero, James Sinclair, JoAnn Falletta, Alastair Willis, Paul Hillier, William Stromberg, Richard Hayman, Angel Gil-Ordóñez, Noel Edison, Richard Rosenberg, Arthur Fagen, David Alan Miller, Peter Boyer

Frederick Moyer (piano), James Martin (baritone), George Walker (piano) Son Sonora String Quartet

Janet Stasio (soprano), Patricia Green (mezzo-soprano), James Martin (baritone) & George Walker (piano) Son Sonora String Quartet, Capitol Chamber Artists, Videmus Ensemble & Cygnus Ensemble