Conversation so far:
Is Unia and The Days of Grays a musical band?
On May 25, 2007, Unia was released.
The album's first single, "Paid In Full", was released on April 27, 2007.
Was the album a hit?
CANNOTANSWER.
Who were the artist?
Sonata Arctica.
Who was their lead singer?
CANNOTANSWER.

Question: Where was the album released first?
Self-contained rewrite: Where was the Sonata Arctica album Unia released first?