| Also known as | Transtic Nerve the Underneath Wilma-Sidr |
|---|---|
| Origin | Hyogo, Japan |
| Genres | Rock, alternative rock, hard rock, heavy metal, punk rock |
| Years active | 1996–2007 (as Transtic Nerve) 2007–2010 (as the Underneath) 2010 (as Wilma-Sidr) 2010–present (as Defspiral) |
| Labels | Stirring/Def Spiral, Avex Mode, Plug Records/Knowledge Alliance/PCI Music (Japan) JShock (United States) |
| Website | defspiral.com |
| Origin | Hokkaidō, Japan |
|---|---|
| Name in Japanese | ザ・ピロウズ, ざぴろうず |
| Genres | Alternative rock Indie rock Power pop |
| Years active | 1989— |
| Labels | Captain, Pony Canyon, King, Avex Trax |
| Associated acts | The Predators, Nine Miles, Kenzi & the Trips |
| Website | pillows.jp |
| Name in Japanese | アジアン・カンフー・ジェネレーション |
|---|---|
| Origin | Yokohama, Japan |
| Genres | indie rock, Alternative rock |
| Years active | 1996–present |
| Labels | Ki/oon, Tofu, Okami |
| Website | asiankung-fu.com |
| Name in Japanese | スクール フード パニッシュメント |
|---|---|
| Origin | Tokyo, Japan |
| Genres | Post Rock, Electronica |
| Years active | 2004–present |
| Labels | July Records/United Asia Entertainment (2007), Fiveman Army Rocks (2008-2009), Epic Records Japan (2009-current), Warner Music Japan (2001—current) |
| Website | www.sfp-sound.com |
| Real name | Yoshioka Yui 「吉岡唯」 |
| Gender | female |
| Birthday | 26 March, 1987 |
| Debut | 1 March, 2004 (active) |
| Occupation | Multi-instrumentalist, singer-songwriter, actress, composer, music arranger (active) |
| Genres | Pop, pop rock |
| Instruments | Vocals, acoustic guitar, electric guitar, bass, piano, drums |
| Official website | http://www.yui-net.com/ |
| Origin | Osaka, Japan |
|---|---|
| Genres | Folk rock, pop |
| Years active | 1998–present |
| Labels | Minosuke Records (1999—2000) Warner Music Japan (2001—current) |
| Associated acts | Ayaka |
| Website | http://www.kobukuro.com |
| Origin | Fukuoka, Japan | |
|---|---|---|
| Genres | J-Pop, pop music, contemporary R&B, gospel music | |
| Years active | 2004–2009 (international), 2001–2004, 2009–present (Japan) | |
| Labels | Zomba Group of Companies, Bonnier Amigo Music Group, Universal - Nayutawave | |
| Website | http://www.twillnet.com/ |
   | 4th Single 2011.6.8 Release [Tracklist] 1. Samurai Heart (Some Like It Hot!!) [サムライハート(Some Like It Hot!!)] 2. Crazy 3. LINK IT ALL |
   | 3rd Single 2011.3.16 Release [Tracklist] 1. Japanication [ジャパニケーション] 2. Departure 3. Just One 4. Dead Coaster |
| Origin | Japan |
|---|---|
| Genres | Garage rock, Blues rock, Punk rock |
| Years active | 2006-present |
| Labels | Universal Music Group |
| Associated acts | Rosso, Thee Michelle Gun Elephant |
| Website | The Birthday |
| Band name | SPYAIR |
| Band type | rock band (5 members) |
| Debut | 2005 (active) |
| Label | Sony Music Japan |
| Official website | http://www.spyair.net/ |
