'I had been in the darkest, nastiest situation,' guitarist tells NME
Song is taken from band's forthcoming album 'Bitter Rivals'
The band's third album will be released on October 7
Band will reportedly unveil new album details and first single next month
Duo have five songs ready for third album
Unlikely group collaborate for New York fundraiser
Brooklyn noise-pop duo say they will have "three full-length albums in three years"
Duo give their own take on pop superstar's 2006 track
Duo's second album isn't officially released until Monday (February 20)