Early life

Komatsu was born in Tokyo, Japan on December 30, 1974.

Career

Komatsu has released four songs as a solo artist, Dance Dance Revolution's "Ever Snow", Eternal on the album BeForU II, Izayoi on BeForU III and on 6Notes she sang "フレンズ" [Furenzu/Friends].

Her solo work was signed with some capitalized Greek letters as: ΨΦΜΑ ΚΦΜΑΤSU.

6Notes

• フレンズ (as 代真[Yoma])

beatmaniaIIDX 11 IIDX RED Original Soundtrack

• KI・SE・KI (IIDX RED EDIT) (with BeForU)

beatmaniaIIDX 12 HAPPY SKY ORIGINAL SOUNDTRACK

• We are Disっ娘よっつ打ち命 (with 外花りさ, O.L., ANNIE)
• We are Disっ娘よっつ打ち命(original size) (外花りさ, O.L., ANNIE)

BeForU

• チカラ (LIVE BAND style) (with BeForU)
• DIVE (with BeForU)
• BRE∀K DOWN! (LIVE BAND style) (with BeForU)
• Firefly (with BeForU)
• GRADUATION～それぞれの明日～ (unplugged version) (with BeForU)

BeForU II

• KI・SE・KI(album version) (with BeForU)
• Morning Glory (with BeForU)
• Eternal
• BLACK OUT～I want to be・・・!! (album version) (with BeForU)
• PEACE(^^)v (with BeForU)
• DIVE2006 (with BeForU)

BeForU FIRST LIVE at ZeppTokyo 2006

• KI・SE・KI (with BeForU)
• DIVE2006 (with BeForU)
• Firefly (with BeForU)
• ETERNAL
• チ・カ・ラ (with りゆ& のりあ)
• 約束 (with BeForU)
• BLACK OUT～I want to be・・・!! (with BeForU)
• BRE∀K DOWN! (with BeForU)
• PEACE(^^)v (with BeForU)
• GRADUATION ～それぞれの明日～ (with BeForU)

(Dance Dance Revolution 5th Mix) Original Soundtrack

• DIVE (with BeForU)

Dance Dance Revolution 6th Mix (DDRMAX) Original Soundtrack

• DIVE ~more deep & deeper style~ (with BeForU)
• Firefly (with BeForU)

Dance Dance Revolution 7th Mix (DDRMAX2) Original Soundtrack

• BRE∀K DOWN ! (with BeForU)
• ever snow

Dance Dance Revolution EXTREME Original Soundtrack

• GRADUATION ～それぞれの明日～ (with BeForU)
• GRADUATION ～それぞれの明日～ (FULL VERSION)
• STAFF ROLL (with BeForU)

Dance Dance Revolution Party Collection Original Soundtrack

• Freedom (with BeForU)

Dance Dance Revolution FESTIVAL and STRIKE ORIGINAL SOUNDTRACK

• KI・SE・KI (DDR edit) (with BeForU)

Dance Dance Revolution SuperNOVA

• Morning Glory (with BeForU)
• PEACE(^^)v (with BeForU)

Get set GO!! ～BeForU astronauts set～

• Get set GO!! (with BeForU)
• Red Rocket Rising English edit. (with BeForU)

GUITARFREAKS 8thMIX and drummania 7thMIX Original Soundtrack

• BRE∀K DOWN! -GF&DM STYLE- (with BeForU)

GUITARFREAKS 9thMIX and drummania 8thMIX Original Soundtrack

• チカラ (with BeForU)

GuitarFreaksV2　＆　DrumManiaV2

• BLACK OUT (with BeForU)

GUITARFREAKS and drummania BEST TRACKS

• BRE∀K DOWN! (Full Version) (with BeForU)

KI・SE・KI

• KI・SE・KI (with BeForU)
• チカラ (Re-arranged version) (with BeForU)
• Firefly (add Vocal&Mix)(with BeForU)
• 約束 (with BeForU)

pop'n music 12 いろは AC ♥ CS pop'n music 10

• GRADUATION ～それぞれの明日～ (from Dance Dance Revolution EXTREME) (with BeForU)

Red Rocket Rising

• Red Rocket Rising (with BeForU)

Strike Party!!!

• 01. Strike Party!!! (With BeForU)
• 02. BALA≠BALA (with BeForU)

We Love We 'We Love Winning Eleven'

• Step by Step (with BeForU and イジワルケイFC)

夜花火

• 夜花火 [ Yo Hanabi Night Fireworks] (with BeForU)
• ムーンバイク [Muunbaiku Moonbike] (with BeForU)