Sonata Arctica has issued the following update on band’s official web site:

Italian act LABYRINTH (out now with a new album: “Return To Heaven Denied PT 2”) has been confirmed as main support band for all the European dates of SONATA ARCTICA‘s  THE DAYS OF GRAYS tour 2011. On the first 11 shows (from Bratislava to Pratteln) there will be also another italian band, 4TH DIMENSION (about to release the first album: “The White Path To Rebirth”) as support band. The Norwegian act Triosphere will take 4TH DIMENSION’s place on the remaining shows.