«OK Band» - biography, albums, songs, video clips

There are at least two acts with this name:

1) OK Band (also know as Goran & OK Band, Goran & OK Bend or OK bend) is a band from Serbia. They play pop-rock music. The name of frontman is Goran.

2) O.K. Band is a band from Osijek, Croatia.

3) Czech synth-pop group. Site: okband.estranky.cz