Oshi no Ko OP「Idol」 by YOASOBI Yamaha XG "Oshi no Ko OP「Idol」" is a MIDI music piece in Anime/game music style, played by an ensemble of 45 instruments including Lead 2 (sawtooth), Acoustic Grand Piano, Harmonica, Synth Bass 1, Choir Aahs, Acoustic Guitar (steel), Xylophone, ...