Crystal Eyes is a Swedish heavy metal band formed in 1992. Singer, guitarist and songwriter Mikael Dahl is the only ever-present in their line-up. It was announced in 2009 that vocalist Søren Nico Adamsen would be leaving the band and that Mikael Dahl would be resuming vocal duties. In 2012, guitarist Paul Petterson left the band and was replaced by former guitarist Nicolas Karlsson. On May 11, 2012 the band celebrated its 20th anniversary with a special concert featuring songs from all of their albums.