| 1993 | Symphony no. 1 / 4 Etudes-tableaux | Sergei Rakhmaninov; BBC Welsh Symphony Orchestra, Tadaaki Otaka | | 1 |
| 1994 | Gubaidulina: Pro et contra / Firsova: Cassandra | Sofia Gubaidulina, Elena Firsova; BBC National Orchestra of Wales, Tadaaki Otaka | | 1 |
| 1996 | Symphony no. 6 / Symphony no. 7 | Alfred Schnittke; BBC National Orchestra of Wales, Tadaaki Otaka | | 1 |
| 1996 | A Flock Descends | Toru Takemitsu; Paul Watkins, BBC National Orchestra of Wales, Tadaaki Otaka | 4 | 1 |
| 1996 | Symphony No. 2 / Vocalise / Etudes Tableaux Op. 33 & Op. 39 | Rakhmaninov; BBC Welsh Symphony Orchestra, Tadaaki Otaka, John Lill | | 1 |
| 1998 | Symphony no. 5 / Six Romances on Japanese Poems | Shostakovich; Mark Tucker, Yomiuri Nippon Symphony Orchestra, Tadaaki Otaka | | 1 |
| 2001 | How Slow the Wind | Tōru Takemitsu; Kioi Sinfonietta Tokyo, Tadaaki Otaka, Christian Lindberg | | 2 |
| 2001 | Takemitsu: Nami no Bon / Ran - Hosokawa: Memory of the Sea - A. Otaka: Fantasy for Organ & Orchestra | Takemitsu; Hosokawa; A. Otaka; Tadaaki Otaka, Sapporo Symphony Orchestra | | 1 |
| 2002 | A String Around Autumn | Tōru Takemitsu; Philip Dukes, Sharon Bezaly, Noriko Ogawa, BBC National Orchestra of Wales, Tadaaki Otaka | | 1 |
| 2002 | Symphony no. 3 / Ballade | Glazunov; BBC National Orchestra of Wales, Tadaaki Otaka | | 1 |
| 2003 | Symphonies no. 1 & no. 6 | Glazunov; Tadaaki Otaka, BBC National Orchestra of Wales | | 1 |
| 2003 | Symphonies no. 4 & no. 8 | Glazunov; BBC National Orchestra of Wales, Tadaaki Otaka | | 1 |
| 2007 | Orchestral Works Including The 8 Symphonies | Alexander Glazunov; BBC National Orchestra of Wales, Tadaaki Otaka | | 1 |
| 2012 | 5 Songs to Poems by Irina Ratushinskaya & Laments | Brian Elias, Mary King, Catherine Wyn‐Rogers, BBC Symphony Orchestra, Martyn Brabbins & Tadaaki Otaka | | 1 |
| 2013 | Piano Concerto No. 1 / Piano Concerto No. 2 | Brahms; Garrick Ohlsson, Melbourne Symphony Orchestra, Tadaaki Otaka | | 1 |
| 2019 | Symphony no. 1 | Edward Elgar; Osaka Philharmonic Orchestra & Tadaaki Otaka | | 1 |
| 2022 | BBC Music, Volume 30, Number 13: Symphony no. 2 / Spitfire Prelude & Fugue | William Walton; BBC National Orchestra of Wales, BBC Concert Orchestra, Tadaaki Otaka, Adrian Boult | | 1 |
| 2022 | BBC Music, Volume 31, Number 2: Symphony in D minor / Le Chasseur maudit | Franck; BBC Symphony Orchestra, BBC National Orchestra of Wales, Fabien Gabel, Tadaaki Otaka | | 1 |
| 2023 | Symphony no. 2 | Edward Elgar; Osaka Philharmonic Orchestra & Tadaaki Otaka | | 2 |
