URL：https://i.guim.co.uk/img/media/5d127c5ea30bc43f618f924752862890a4f305cc/99_247_901_540/master/901.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMjEucG5n&s=43f3eb79fee478aa5e8935ed74088f49
掲載元：https://www.theguardian.com/music/2021/dec/01/alvin-lucier-american-avant-garde-composer-dies-aged-90
