hirai ken

Aishiteru -less vocal- 

Boku wa Kimi ni Koi wo Suru (rei harakami remix) 

Strawberry Sex 

愛してる 

air cameraman 

What a wounderful world 

Virtual Insanity (Jamiroquai cover) 

Unchained Melody 

Mahoutte Itte Ii Kana? ~魔法って言っていいかな?~ 

ABC (The Jacksons 5 cover) 

Ken Hirai - Morai Naki 

Stay With Me 

Pop Star 

Elegy 

signal 

Junko ~順子~ (Nagabuchi Tsuyoshi cover) 

Ken Hirai - Grotesque 

Sore Demo Shitai ~ソレデモシタイ~ 

KIKYOGAOKA 

Elegy ~less vocal~ 

Kimi no Kodou wa Kimi ni Shika Narasenai 

Kokuhaku (OST Трагедия W)  

Plus One 

Onnaji Samishisa ~おんなじさみしさ~ 

Kokuhaku -less vocal- 

Nonfiction (less vocal) 

Grotesque (feat. Amuro Namie) 

Life Is... 

Non Fiction 

Shiroi Koibitotachi 

Fake Star 

Ite mo tatte mo ~いてもたっても~ 

Taiyou 

Kimi wa Tomodachi ~鍵穴~ 

Woman 

Moon River 

Boku no Kokoro wo Tsukutte yo 

Boku wa Kimi ni Koi wo Suru 

Ojii san no tokei 

Tomorrow 

Boku ga Donna ni Kimi wo Sukika, Kimi wa Shiranai (Kusunose Seishiro cover) 

Heart Of Mine (Bobby Coldwell cover) 

LIFE is... ~another story~ 

HOTEL VAMPIRE 

Ost.I Give My First Love to You - Boku wa Kimi ni Koi wo Suru 

POPSTAR 

Kokuhaku 

Grotesque feat. Namie Amuro (グロテスク) 

Highway Merry-Go-Round- 

Brand New Bike