シュトックハウゼン死す；
David Ward “Composer Stockhausen dies aged 79” http://music.guardian.co.uk/print/0,,331495726-122406,00.html
Ivan Hewett “Karlheinz Stockhausen” http://music.guardian.co.uk/print/0,,331495837-122405,00.html
シュトックハウゼン死す；
David Ward “Composer Stockhausen dies aged 79” http://music.guardian.co.uk/print/0,,331495726-122406,00.html
Ivan Hewett “Karlheinz Stockhausen” http://music.guardian.co.uk/print/0,,331495837-122405,00.html