{"copyright_id":"0x19d2dd24e4a370516015b64a6cc2fdf02bdd8adce9b7384b0c0c27c807554aae","isrc":"JPU971909901","name":"いのちの歌 【混声四部合唱】 教育芸術社 音楽教育ヴァン Vol.29 掲載楽譜","registered_at":"2026-06-18T03:33:46Z","spotify_id":"7HJ6scWkZAtrk3ZZyp8Akn","type":"track"}