What you can find on the Internet! This is the hefty program booklet for the stage premiere of Stockhausen's Donnerstag aus Licht, La Scala, 1981. It belonged to the late Leonard Stein — Schoenberg's personal assistant, long-time director of the Schoenberg Institute in Los Angeles, teacher of La Monte Young, all-around force for good. Those who find Stockhausen an unduly forbidding figure may be charmed to know that he sometimes signs his name thus:
