Boat Rocker has released the opening titles theme song from the new AMC original series Orphan Black: Echoes. Available to stream/download now on all major digital music services is The Lenghts written and performed by Julien Baker featuring Calvin Lauber. Also listen to the full track after the jump. Orphan Black: Echoes is created by Anna Fishko based on the original Orphan Black series created by Graeme Manson & John Fawcett and stars Krysten Ritter, Keeley Hawes, Amanda Fix, Rya Kihlstedt, Avan Jogia and James Hiroyuki Liao.