The Back Horn is a Japanese rock group, formed in Tokyo, Japan in 1998.

Members
Guitar: Suganami Eijun "エイジュン" (菅波栄純)
Vocal: Yamada Masashi "ヤマシ" (山田将司)
Drums: Matsuda Shinji "マシ" (松田晋二)
Bass: Okamine Koushu "コウシュウ" (岡峰光舟)

Albums
* [1999.09.22] Doko e Yuku (何処へ行く) (Indies Mini Album)
* [2000.04.25] Yomigaeru Hi (甦の陽) (Indies)
* [2001.06.20] Yomigaeru Hi (New Mix) (甦の陽) (Indies)
* [2001.10.17] Ningen Program (人間ポログラム)
* [2002.11.13] Shinzou Orchestra (心臓オーケストラ)
* [2003.10.22] Ikiru Sainou (イキルサイノウ)
* [2005.03.16] Headphone Children (ヘッドフォンチルドレン)
* [2006.04.19] Taiyou no Naka no Seikatsu (太陽の中の生活)
* [2007.05.23] THE BACK HORN
* [2008.01.23] BEST THE BACK HORN (Best Album)

Singles
* [2000.09.25] Fuusen (風船) (Indies)
* [2001.04.25] Sunny (サニー)
* [2001.08.22] Sora, Hoshi, Umi no Yoru (空、星、海の夜)
* [2002.05.29] Sekaiju no sh*ta de (世界樹の下で)
* [2002.08.28] Namida ga Koboretara (涙がこぼれたら)
* [2003.01.22] Mirai (未来)
* [2003.06.18] Hikari no Kesshou (光の結晶)
* [2003.08.20] Seimeisen (生命線)
* [2004.07.21] Yume no Hana (夢の花)
* [2004.11.03] Cobalt Blue (コバルトバー)
* [2005.01.26] Kizuna Song (キスナソング)
* [2005.12.16] Black Hall Birthday (ブラックホールバースデイ)
* [2006.02.08] Hajimete no Kokyuu de (初めての呼吸で)
* [2006.03.22] Chaos Diver (カオスダイバー)
* [2006.12.20] Koe (声)
* [2007.03.21] Utsukushii namae (美しい名前)
* [2007.11.14] Wana (罠; Trap)
* [2008.05.21] Kakusei (覚醒; Awakening)

+credits to wiki.theppn+