Takanori Nishikawa (西川貴教, Nishikawa Takanori?) – vocals (T.M. Revolution) Sunao – guitar Hiroshi Shibasaki (柴崎 浩, Shibasaki Hiroshi?) – guitar (ex-Wands & ex-al.ni.co guitarist) Toshiyuki Kishi (岸 利至, Kishi Tushi?) – keyboard, programming, and turntables
In 2005, abingdon boys school released its first song, "Stay away", an English-language song written by Nishikawa and composed by Shibasaki, for the Love for Nana ~Only 1 Tribute~, a tribute album to the shōjo anime and manga series Nana. The band also recorded a cover of the Buck-Tick song, "Dress" (ドレス, Doresu?), featured on Parade ~Respective Tracks of Buck-Tick~, an album featuring covers of Buck Tick songs by various artists.
The band performed their first live concert, "CD Data Present Music Evolution ’06", on November 24, 2005, alongside other bands UVERworld and Tsubakiya Quartet (椿屋四重奏, Tsubakiya Shijūsō?). CD Data (CDでーた?) is a Japanese music magazine.
On September 3, 2006, the band announced that they would make their official debut through Sony Music Japan's Epic Records, which was also the label of T.M.Revolution (Nishikawa's solo project). Their first single, Innocent Sorrow, used as the first opening to the anime D.Gray-Man, was released on December 6, 2006 and peaked at #5 on the Oricon music charts. The b-side song off their Innocent Sorrow single, "Fre@k $HoW", was used in a tribute compilation CD for the movie Death Note: the Last Name.
Their second single, Howling, was released on May 16, 2007. It was used as the first opening to the anime Darker Than Black and peaked at #4 on the Oricon charts in its first week of release. Their third single, entitled Nephilim, was released on July 4, 2007, and was used as the main theme to the PlayStation 3 game Folklore. The single reached a peak of #5 on the Oricon.
On July 7, 2007, a.b.s performed their three singles as well as the b-side from their latest single Nephilim, "Lost Reason", at the Japanese leg of Live Earth in Tokyo.
The band's first full studio album was released on October 17, 2007. Their 4th single, Blade Chord, was later released on December 5, 2007 and was used as the theme song to Sengoku Basara: Heroes. They have also covered a song, "Sweetest Coma Again", for the "Luna Sea: Memorial Cover" album, a full album of Luna Sea covers dedicated to the defunct rock band.
On July 16, 2008, abingdon boys school released a live DVD from the live concert they held in February 2008. The DVD was sold in two versions: a limited edition with two DVDs, different packaging, pictures, and stickers, and the normal edition with one DVD.
The band released their 5th single, Strength, with Freedom serving as the b-side, on February 25, 2009, making it their first single release in over a year. Strength was used as the ending theme for the anime series Soul Eater. Their 6th single, JAP, had its radio premiere on on October 23, 2008, and was released on May 20, 2009 with Valkyrie as a b-side. JAP was used as the opening theme song to the Sengoku Basara anime as well as Sengoku Basara Battle Heroes, a game for the PSP.
In 2009, Abingdon Boys School will take part in a special 2-day music event in Shiga, performing on September 19; Takanori's birthday. This is a event that Takanori planed as the new cultural ambassador of Shiga Prefecture.
The band's newest song "Kimi no Uta" will be used for the anime Tokyo Magnitude 8.0 & it will be released on 26th Aug 2009 .