Umbra (album)

Umbra is the second studio album from Japanese electronica/rock duo Boom Boom Satellites, released on February 7, 2001.

Personnel
Credits adapted from liner notes.
 * Art Direction, Design – Shin-Ichiro Hirata*
 * Artwork [Artwork Co-ordinator] – Yuki Sugawara
 * Directed By – Tatsunori Toyama
 * Drums [Additional Drummer] – Naoki Hirai
 * Engineer [Additional] – Kenji Furukawa, Kikou Uehara, Mike Nealsen*
 * Executive-Producer – Hirofumi Satoh, Lucy Tonegi
 * Lyrics By – Chuck D (tracks: 4)
 * Mastered By – Quincy Tanaka*
 * Photography By – Yoshiyuki Hata
 * Programmed By, Bass – Masayuki Nakano
 * Saxophone, Flute – Nao Takeuchi (tracks: 3 to 5)
 * Strings, Arranged By – Asuka Strings (tracks: 2)
 * Trumpet – Issei Igarashi (tracks: 3)
 * Vocals, Guitar – Michiyuki Kawashima
 * Written-By, Arranged By, Producer, Mixed By – Boom Boom Satellites