Sleep Walker are a Japanese jazz quartet featuring Masato Nakamura (sax), Hajime Yoshizawa (piano), Kiyoshi Ikeda (bass) and Tomokazu Sugimoto (bass).
In 2003 Sleep Walker released their debut album Sleep Walker from Especial records.
In 2004 Sleep Walker released the single The Voyage featuring Pharoah Sanders and in the spring of 2005 they released another single River of love, which was followed by an Especial Records compilation album, Essence of Especial. In 2006 Sleep Walker released their second album The Voyage from Village Again / Especial Records and performed with Pharoah Sanders at the METAMORPHOSE festival in August. The Voyage won Domestic club / Dance album of the year at the ADLIB AWARDS. In the summer of 2007, an album of Sleep Walkers past work, new remixes and new recordings WORKS was released.
Discography : http://www.discogs.com/artist/Sleep+Walker