1 野に咲く名無し@転載禁止 (b9641) 2023/10/06 20:39:06 ID:0nT4knMp
座学だよ😡https://hatenablog-parts.com/embed?url=https://tonesavvy.com/music-practice-exercise/265/key-signature-grand-staff-identification-game/</a>" frameborder="0">https://tonesavvy.com/music-practice-exercise/265/key-signature-grand-staff-identification-game/※追記 2023/10/06 23:20:45!stop