{"copyright_id":"0x8d45ff5663f664a2aa3296e206bb20f1e28525a817fd23b71a4eccd98948c7f1","isrc":"JP92Q2400076","name":"バックグラウンド・ミュージック (feat. 初音ミク)","registered_at":"2026-06-21T22:06:46Z","spotify_id":"79Lyh7SPDX9HEd6mW6yEmx","type":"track"}