2020
- Title/Artist
- Polka dot girl／後藤ハルキ
- Kind of work
- M-04 恋は愉し – Love is so much fun!
Composed, arranged by Koyotaka Sambown - Category
- Song (Jazz)
- Release date
- October 25, 2020
- Distributed by
- A little bit
- Copyright
- © A little bit, All rights reserved.
- Title/Artist
- 黄昏町ビルヂング／後藤ハルキ
- Kind of work
- M-06 Love in the Twilight
Composed, arranged by Duende Pianoforte - Category
- Song (Jazz)
- Release date
- March 01, 2020
- Distributed by
- A little bit
- Copyright
- © A little bit, All rights reserved.
2019
- Title/Artist
- CODE:MARIA／後藤ハルキ
- Kind of work
- M-04 バーボンに愛をこめて
Composed, arranged by Koyotaka Sambown - Category
- Song (Jazz)
- Release date
- April 28, 2019
- Distributed by
- A little bit
- Copyright
- © A little bit, All rights reserved.
2018
- Title/Artist
- ティム船長の航海日誌（ログ・ブック）／後藤ハルキ
- Kind of work
- M-04 星屑ノ街
Composed, arranged by Koyotaka Sambown - Category
- Song (Jazz)
- Release date
- October 28, 2018
- Distributed by
- A little bit
- Copyright
- © A little bit, All rights reserved.
- Title/Artist
- Club Patina／後藤ハルキ
- Kind of work
- M-05 Full Moon Lovers
Composed, arranged by Koyotaka Sambown - Category
- Song (Jazz)
- Release date
- April 29, 2018
- Distributed by
- A little bit
- Copyright
- © A little bit, All rights reserved.
2017
- Title/Artist
- Romantic Emporium／後藤ハルキ
- Kind of work
- M-01 ロマンティック・エンポリアム
Composed, arranged & voice by Koyotaka Sambown - Category
- Song (Jazz)
- Release date
- October 29, 2017
- Distributed by
- A little bit
- Copyright
- © A little bit, All rights reserved.
- Title/Creator
- 壊刻のネバーランド／7thKINGS
- Kind of work
- Soundtrack, all musics are composed & arranged by Koyotaka Sambown
- Category
- Game
- Release date
- Aug 11, 2017
- Distributed by
- 7thKINGS
- Copyright
- Game: © 7thKINGS, All rights reserved.
Music: © Koyotaka Sambown, All rights reserved.
- Title/Artist
- 紅茶店マスカテル／後藤ハルキ
- Kind of work
- M-04 愛しのミルクティー
Composed & Arranged by Koyotaka Sambown - Category
- Song (Jazzy Pop)
- Release date
- April 30, 2017
- Distributed by
- A little bit
- Copyright
- © A little bit, All rights reserved.
2016
- Title/Artist
- 路地裏ウタカタ通り／後藤ハルキ
- Kind of work
- M-07 名もなき夜に (Namo naki yoru ni)
Composed & Arranged by Koyotaka Sambown
Piano solo by Roco Shiranuhi - Category
- Song (Jazzy Pop)
- Release date
- October 30, 2016
- Distributed by
- A little bit
- Copyright
- © A little bit, All rights reserved.
2015
- Title/Artist
- Storia / team fiore
- Kind of work
- Disc-2 M-05 忍び込む怪盗～華麗なる手口
Composed & arranged by Koyotaka Sambown - Category
- Music (Jazz)
- Release date
- October 25, 2015
- Distributed by
- team fiore
- Copyright
- © team fiore, All rights reserved.
- Title/Artist
- G-minor 3 ／ Unknown Dimension
- Kind of work
- Disc-1 M-01 “Racing Track 2” from “Final Rap Twin”
Arranged by Koyotaka Sambown - Category
- Music (Jazz/Fusion)
- Release date
- April 26, 2015
- Distributed by
- Rei Shimizu, Unknown – Dimension
- Copyright
- © Rei Shimizu, Unknown – Dimension, All rights reserved.