{"copyright_id":"0x0961c76bececf3ef7d16bb9732b040f1b06806a5fd400beb0888e87fc893a01f","isrc":"HKI199295113","name":"無言歌集 第5巻 Op. 62: VI. A Major「春の歌」","registered_at":"2026-07-29T11:06:36Z","spotify_id":"422Kjm3biD0SPnW3o4y4A5","type":"track"}