During his residency and faculty tenure at the Johns Hopkins Hospital in Baltimore, Maryland, Alan was a pianist with the Hopkins Chamber Music society and performed trios of Beethoven, Mendelssohn, and Ravel, as well as the Schubert "Trout" Quintet. As a member of the Minnesota-based Trio Grazioso, he was an invited performer at the 50th Anniversary Gala Concert of the Rochester (Minnesota) Music Guild.
Currently Dr. Duncan coaches young students in collaborative settings in both 1:1 sessions and in YAPCA ensembles. A long-time supporter of youth music education, he is the father of two adult sons and a daughter who is a violin performance major at the Interlochen Arts Academy.