Karlheinz Stockhausen quotes and aphorisms Karlheinz Stockhausen Karlheinz Stockhausen Karlheinz Stockhausen Karlheinz Stockhausen Karlheinz Stockhausen Karlheinz Stockhausen Karlheinz Stockhausen Karlheinz Stockhausen Karlheinz Stockhausen Karlheinz Stockhausen