There are more than one band called Abandoned:
1. Abandoned was a hardcore punk band from Kongsberg, Norway. Members later played in Tiebreak.
2. Abandoned was a punk/speed metal band from Southern California formed by Tony Cadena after leaving Adolescents.
3. Abandoned is also a German thrash metal band formed in 1999. in Darmstadt, Hesse.
Their discography consists of two full-lenght albums: "Thrash Notes" from 2006. and "Thrash You" from 2007. Read more on Last.fm