Big Blue is the name of a number of bands.
(1) A Croatian rock band with a dose of heavy metal. They were active from late 80's to 1997 when their singer Goran Karan started a solo career.
(2) A jazz quartet from Helsinki/Berlin: Jorma Kalevi Louhivuori on trumpet, Antti Kujanpää on piano, Jori Huhtala on bass and Joonas Leppänen on drums. They released their debut album Big Blue in December 2011.

Big Blue on Last.fm.