He performs piano accompaniment for most of the dance studios in Manhattan and performed at the inauguration of President Bill Clinton. Nissen is the artistic director of the new Museum of Music Project –a plan for creating a new interactive educational center in New York. His play about Beethoven, entitled "True Artists", was presented at the Roy Arias Theater and his most recent lecture-concert was called “What Makes a Melody Great?” at the Queens Theatre. A graduate of Manhattan School of Music, he attended Mario Pei’s postgraduate seminar in Linguistics at Columbia University at the age of eleven. www.gregorynissen.com