The band will round off their summer of festivals with the release of the track through Play It Again Sam Recordings, on the 10th September.
The single will also come complete with B-side ‘Words That I Wield’.
The band have a handful of further appearances scheduled, including slots at Reading and Leeds festivals.
25 Leeds Festival
26 Reading Festival
31 Underage Festival, London
09 Bestival, Newport, Isle Of Wight
‘Key To My Heart’ comes from the band’s debut album ‘Language’ which was released earlier this year.