. "Calibraska is the extended play (EP) by the American pop-rap duo Jack & Jack. Their debut extended play, Calibraska was independently released by the duo via the Philip J. Kaplan digital music distributor DistroKid on July 24, 2015. The title is a portmanteau of the U.S. states Nebraska, where the duo originate, and California, where they are now based. Within hours of its release, Calibraska charted at No.1 on the iTunes on the U.S."@en . . "Calibraska"@en . "2015-07-24Z"^^ .