Prismatic

Prismataic is the former name of melodic punk rock band Go Drowsy from Gothenburg, Sweden. Before the final name Go Drowsy they have also been known as just Drowsy.
They changed their name when signing to Diet Records from Drowsy because of another artist known as Drowsy released an album.

Check out their artist page or their homepage (http://www.godrowsy.com) for more biographic information.