There is more than one artist with this name:
1) Anu is an American Black Metal band, formed in 1995.
2.) Anu is an American musician, composer, and producer. A classically trained oboe player, he studied music at Dartmouth College under noted composers John Appleton and Christian Wolff.
Based out of Los Angeles in the 90s, Anu fronted post-industrial band Shockwork for several years. Following its dissolution, he did some film and television scoring and worked with other bands producing and engineering.
In the mid-1990s he began releasing electronic/ambient music under the pseudonym Captain Kirk, joining the Internet music collective Chill Productions. The Captain Kirk album "The Shape of the Universe" held the #1 position on the experimental charts of the then-new MP3.com for 6 months.
1997 saw the release of "Songs for the Last Man on Earth", a one-man studio project, on the Bastard Science label.
In the late 1990s he joined the short-lived Dan Meyer Project as bass player. He also played keyboards in Widget, the rock band fronted by Hollywood film composer Tyler Bates.
Anu authored an educational CD-ROM ("Switched-On Sound") discussing the history of 20th century music.
In 2000 he relocated to San Francisco. He joined electro-clash outfit Luxxury long enough to release a few EPs (notably their breakthrough "Drunk" EP, which he co-produced).
3) Anu is also a Mongolian pop singer.