The extended play (EP) "Calibraska" by the American pop-rap duo Jack & Jack, known for their 2014 single "Wild Life," is a portmanteau of Nebraska, where the duo originate, and California, where they are now based.
Calibraska is an extended play (EP) by the American pop-rap duo Jack & Jack. 
 The title is a portmanteau of the U.S. states Nebraska, where the duo originate, and California, where they are now based. 
 They are best known for their 2014 single "Wild Life" which has peaked at number 87 on the US "Billboard" Hot 100. 
