United

There are several artists/bands using this name:

1) United is a Japanese thrash/heavy metal group that started as Judas Priest cover band and debuted with "Destroy Metal" EP in 1985. Now the group has changed style radically to metalcore / neo-thrash metal.

2) United is a youth project of the Australian Worship Church "Hillsong". Often referred to as "Hillsong United." Typically they are known for their worship music which is considered contemporary rock.