IDK ALL THE CHARACTERS SO EFF.
Piano: Akaashi, Tsukishima, Oikawa, Sugawara, Semi, Watari, Moniwa, Yachi, Ohira, Sakunami
Guitar: Daichi, Narita, Ennoshita, Innouka, Kuroo, Tsukishima, Yamaguchi, Oikawa, Kageyama, Lev, Matsukawa, Innouka, Tendou
Drums: Asahi, Tanaka, Kiyoko (oh), Kinoshita, Iwaizumi, Hanamaki, Aone, Kenma, Goshiki, Bokuto, Yamagata, Taketora, Nishinoya
Violin: Ushijima, Yaku, Akaashi, Shirabu, Futakuchi, Nobuyuki, Kawanishi, Koganegawa (rlly), Yamaguchi
Flute: Kamasaki, Shibayama, Obara, Tsukishima, Kiyoko, Kinoshita, Oikawa, Nishinoya, Yachi
**
There are no other instruments which are different from these types I know of.
And OK. YOU KNOW WHAT? FORK THIS LIST.