Question: John Fonville has premiered works by composers including Ben Johnston, called, "one of the best non-famous composers this country has to offer" in 1990, by what American critic?
Sentence (from "John Fonville"): He has premiered works by composers including Ben Johnston, Salvatore Martirano, Joji Yuasa, Roger Reynolds, Hiroyuki Itoh, and Paul Koonce.
Relevant evidence: Yes