He has written and composed music for Lessons With Hypatia, a fictionalized historical account of the philosopher Hypatia and the burning of the Library of Alexandria for music theater, and The Soulless, a work for music theater set about love, death, and discovering joy in the unexpected.
He regularly organizes and conducts performances and recordings of music for chamber chorus. He has worked closely with University of Michigan faculty composers Evan Chambers and Andy Kirshner in performances and recordings of their new works. He has specialized in music by Stravinsky, Messiaen, Amy Beach, Kurt Weill, and Heinrich Schütz. His conducting responsibilities have included the University of Colorado Women's Chorus, the Boulder Chorale, and the associate conductor of the University Musical Society Choral Union in Ann Arbor.
In 2001, the American Choral Directors Association awarded Dr. Kuster the Julius Herford Prize for Distinguished Doctoral Research in Choral Music for his writing about Igor Stravinsky's twelve-tone choral works.