Lousadzak

Lousadzak (The Coming of Light), Op. 48, is a 1944 concerto for piano and string orchestra by the American-Armenian composer Alan Hovhaness. Duration of the piece is about 18 minutes. The work is known for its use of aleatory that is said to have impressed fellow composers Lou Harrison and John Cage, and anticipated "many soon-to-be-hip" aleatory techniques.