Tatsuya Yoshida

Tatsuya Yoshida (吉田達也) (born 9 January 1961) is a Japanese musician; drummer and composer who is the only consistent member of the renowned progressive rock duo Ruins, as well as of Koenji Hyakkei. He is also a member of the progressive rock trios Korekyojinn and Daimonji. Outside his own groups, Yoshida is renowned for his tenure as drummer in the indie progressive group YBO2, a band also featuring guitarist KK Null, whom he also joins in the current line-up of Zeni Geva and he has played drums in a late edition of Samla Mammas Manna. He has been cited as "[the] indisputable master drummer of the Japanese underground".

Along with his participation in bands, he has also released several solo recordings.

Discography
With Ruins
 * Solo Works '88 (1988)
 * Solo Works '89 (1989)
 * Magaibutsu '91 (1991)
 * Drums, Voices, Keyboards & Guitar (1994)
 * Pianoworks '94 (1994)
 * First Meeting (1995)
 * A Million Years (1997)
 * A Is for Accident (1997)
 * PYN - songs for children who don't want to sleep (2015)
 * PYN - L'élan créateur (2016)
 * Ruins III (1988) (reissued as Infect in 1993)
 * Stonehenge (1990)
 * Burning Stone (1992)
 * Graviyaunosch (1993)
 * Hyderomastgroningem (1995)
 * Refusal Fossil (1997/2007)
 * Vrresto (1998)
 * Symphonica (1998)
 * Pallaschtom (2000)
 * Tzomborgha (2002)
 * Alone (2011)

With Koenji Hyakkei
 * Hundred Sights of Koenji (高円寺百景) (1994, remastered and reissued in 2008)
 * Viva Koenji! (弐(II)) (1997)
 * Nivraym (2001, remastered and reissued in 2009)
 * Angherr Shisspa (2005)
 * Dhorimviskha (2018)

With Painkiller
 * The Prophecy: Live in Europe (Tzadik, 2013)

With Ron Anderson
 * RonRuins
 * NYJPN

With The Gerogerigegege
 * Instruments Disorder (1994)