[4] His, "seemingly contradictory," influences include uptown, downtown, and the West Coast school; including John Cage, Milton Babbitt, Elliott Carter, Morton Feldman, and Mel Powell.
[5] Mosko studied with Antonia Brico, Donald Martino, Gustav Meier, Mel Powell, Leonard Stein, and Morton Subotnick.
[10] He was the director of the Ojai Music Festival in 1986[citation needed] and 1990.
[11] He was married to Dorothy Stone, founding flutist of California EAR Unit.
[8][12] Notable students include composers Ann Millikan and Nicholas Frances Chase.