Ken Ishii – Unreleased Works Vol. 10 [70 Drums] (Bandcamp Exclusive)
KIKK IPA 2021 (Session IPA collaborated with RISE & WIN Brewing Co.)
Ken Ishii & Greencross – Collusion 33 [Different Is Different]
Cristian Varela & Ken Ishii – TOKYOMADRID EP [Black Codes Experiments]
VR: ‘sidestream-REAL1’ by Ken Ishii x MITSUME [LATEGRA | LIVE3.0 project] *Enjoy with Oculus Quest
Masaki Sakamoto – The Small Hours [Sublime] *Co-produced by Ken Ishii
Ken Ishii – Back Fist [Riot Recordings]