Sakuraza
Eiko Ishibashi, Tatsuhisa Yamamoto, Jim O'Rourke, Giovanni Di Domenico, Kei Matsumaru
2024.8.2
alto saxophone
Netsu No Atoni
Takuro Okada
2024.6.19
alto saxophone
Don't Make Any Noise
Dos Monos
2023.7.20
(Theater D Vol. 3 @ LIQUIDROOM, Ebisu, Tokyo 2021.09.13)
alto saxophone / soprano saxophone
角を探す人 / The Horn's Rhapsody
浦上想起 / Urakami Souki
2023.07.07
tenor saxophone
Songbook VI
Shun Ishiwaka
2023.03.08
clarinet
gel
SADFRANK
2023.03.01
alto saxophone / flute
The Moon, Its Recollections Abstracted
Kei Matsumaru
2022.10.19 / LP 2022.12.03
all compositions by Kei Matsumaru
produced by Kei Matsumaru
alto saxophone / soprano saxophone / electronics
王墓 / Ōbo
Dos Monos
2021.12.03
alto saxophone/flute
甘美な逃亡 / Sweet Escape
浦上想起 / Urakami Souki
2021.07.28
soprano/alto saxophone
Dos Siki 2nd Season
Dos Monos
2021.07.23
soprano saxophone
"A Spring Monkey Song ft. 崎山蒼志・小田朋美・SMTK"
SIREN PROPAGANDA
SMTK
2021.07.14
"Diablo ft. Botsu a.k.a NGS"
composed/produced by Kei Matsumaru
Nothing Unspoken Under the Sun
Kei Matsumaru
2020.11.25
Songbook V
Shun Ishiwaka
2020.10.21
clarinet (solo)
"Messe Basse 2:Des-dur"
SUPER MAGIC TOKYO KARMA
SMTK
2020.05.20
alto, soprano, tenor saxophone / voice
compositions by Kei Matsumaru: track(s) 1, 3
SMTK
SMTK
2020.04.15
alto saxophone / soprano saxophone
compositions by Kei Matsumaru: track(s) 3
THINKKAISM
THINKKAISM
2019.9.4
alto saxophone/soprano saxophone
compositions by Kei Matsumaru: track(s) 3, 7, 8