Sparking to life with a combination of cavernous drum work and unpredictable, intriguing vocal lines - ‘Echo’, the new single from Californian duo Foreign Air is a veritable alternative pop treat.

Notwithstanding its heavy, pulsating beat, and the array of crunching guitar riffs driving 'Free Animal' along, Jacob Michael and Jesse Clasen also nod to the crisp, thoughtful and ultimately earwormy British indie of Alt-J.