J-Pop in A♭ major

The task

Compose a J-pop instrumental in Ab major, 137 BPM allegro, 4/4, about 96 bars and about three and a half minutes, scored for bright piano, clean guitar, bass, strings and drums in 5 voices. Texture: driving eighth-note piano with the chorus melody lifted. Open with 4 bars of bright piano alone, then layer the other…