Vocal Works
労労亭の歌（テキスト：李白、読み下し文：松浦友久） “Rouroutei no Uta” text: Libai, translated by Tomohisa Matsu-ura (2004) for piano and vocal ensemble (SATB: 4.4.4.4)
10 minutes
[WP] (cond)Nobuaki Tanaka (pno)Kazue Nakamura (vocal ens)Tsukuru Kai, 2004.8.8 Yotsuya Kumin Hall [Tokyo]
Commissioned by Tsukuru Kai
賢治祭（テキスト：俵万智） “Kenji-sai” text: Machi Tawara (2004) for vocal ensemble (SATB: 3.3.3.3)
8 minutes
[WP] (cond)Ryuta Nishikawa (vocal ens)Vox Humana, 2004.7.19 Small Hall, Tokyo Bunka Kaikan [Tokyo]
Commissioned by VOX HUMANA
チャムパの花（テキスト：ラビンドラナート・タゴール） “The Champa Flower” text: Rabindranath Tagor (2004) for mixed chorus (two groups) and piano
10 minutes
[WP] (cond)Nobuaki Tanaka (pno)Kaori Tanaka (chorus)Tokyo Philharmonic Chorus, 2005.3.19 Small Hall, Tokyo Bunka Kaikan [Tokyo]
Commissioned by Tokyo Philharmonic Chorus
海の見える風景（テキスト：小島ゆかり） “Umi-no Mieru Fukei” text: Yukari Kojima (2005) for mezzo-soprano and piano
9.5 minutes
[WP] (m-sop)Mutsumi Hatano (pno)Takehiko Yamada, 2005.11.26 Zushi Bunka Plaza Hall [zushi]
Commissioned by commemoration enterprise executive committee of Zushi Bunka Plaza Hall opening year
水の音（テキスト：松尾芭蕉） “Sonor Aquae” text: Bashô Matsuo (2006) for vocal ensemble (SATB: 2.2.2.2)
8 minutes
[WP] (cond)Ryuta Nishikawa (vocal ens)Vox Humana, 2006.7.30 Small Hall, Tokyo Bunka Kaikan [Tokyo]
Commissioned by VOX HUMANA
運命のひととき Eine Zeit des Schicksals (2008) for vocal ensemble (SATB: 2.2.2.2)
7 minutes
[WP] (cond)Ryuta Nishikawa (vocal ens)Vox Humana, 2009.3.4 Small Hall, Tokyo Bunka Kaikan [Tokyo]
Recomposition of 1st movement, Symphony No.5 by L.v.Beethoven
Commissioned by VOX HUMANA
浜辺にて（テキスト：ラビンドラナート・タゴール） “On the Seashore” text: Rabindranath Tagor (2009) for soprano, euphonium, harp and mute-piano
7 minutes
[WP] (sop)Eiko Morikawa (euph)Ayumi Nakata (hp)Haruka Sasaki (mute-pno)Atsushi Kitazumi, 2009.10.13 Concert Hall, Aichi Prefectural Art Theater [Nagoya]
失われたテキストを求めて I（テキスト：演奏者が選択） “À la recherche du texte perdu I” text: selected by players (2009) for male vocal ensemble and 1 melodic in strument (TB: 2.2)
9.5 minutes
[WP] (cond)Ryuta Nishikawa (vocal ens)Choeur Zephyr, 2010.8.1 JT Art Hall Affinis [Tokyo]
Commissioned by Choeur Zephyr
失われたテキストを求めて II（テキスト：演奏者が選択） “À la recherche du texte perdu II” text: selected by players (2013) for soprano and piano
7.5 minutes
[WP] (sop)Maki Ota (piano)Takashi Niigaki, 2013.3.5 Space Do [Tokyo]
Commissioned by MOCK enesmble
失われたテキストを求めて III（テキスト：演奏者が選択） “À la recherche du texte perdu III” text: selected by players (2014) for vocal ensemble (SATB: 2.2.2.2)
9.5 minutes
[WP] (cond)Ryuta Nishikawa (vocal ens)Vox Humana, 2014.7.27 JT Art Hall Affinis [Tokyo]
Commissioned by VOX HUMANA
失われたテキストを求めてIV（テキスト：演奏者が選択） “À la recherche du texte perdu IV” text: selected by players (2016) for female vocal ensemble (SMA: 4.2.2)
13 minutes
[WP] (cond)Ryuta Nishikawa (female cho)Akatsuki, 2017.12.24 JT Art Hall Affinis [Tokyo]
Commissioned by Female Chorus “Akatsuki”
エミリからの手紙（テキスト：エミリ・ディキンスン） “Letters from Emily” text: Emily Dickinson (2023) for vocal ensemble (SATB: 2.2.2.2)
14 minutes
[WP] (cond)Ryuta Nishikawa (vocal ens)Vox Humana, 2024.3.21 Toyosu Civic Hall [Tokyo]
Commissioned by VOX HUMANA