Boo! is the name of three different bands. An Alt Rock band from South Africa, a rap trio from Detroit and a Czech-Austrian alternative rock band Boo (without exclamation mark).
Boo is also the alias of a promising young MC/producer from Moscow (Russia), who has so far made his name through guest appearance on a smash radio hit "Expensive Love" ("Dorogaya Lubov'") also featuring Loc (fellow rapper of T.A. Inc. fame) & Batista of Band'Eros.
Boo has produced various tracks for many upcoming artists (his work includes production for a critically acclaimed hit by Faces - "All I Want"), developing his style through some 5 years of work. Right now he is workin on a major untitled group mixtape and LP project, slated for realease in early June '07.

Boo (CZ/A)
Discography:
- Boo (1999), Indies
- Listen (2002), Indies
Boo (CZ/A) are: singer/violinist/guitarist Christoph Pajer (Metamorphosis, Boo), cellist/singer Andrea Konstankiewicz (Rale, Tara Fuki, Boo), bass guitarist/guitarist Josef Ostransky (Dunaj, Pustit musis, Rale, Boo) and drummer Pavel Koudelka (Dunaj, Pustit musis, Boo).

ALSO:
There is also another artist by the name of BOO from Tokyo, Japan. A former rapper with the group, The Soul Nuts, he became a solo artist in 1998 singing RnB instead. He has 3 albums, "BLAQUE & P.P.", " POST SOULMAN" and "POST SOULMAN 2"