The two teamed up at Philadelphia radio concert
Cole Alexander came under criticism of his own following outspoken comments
Frontman hits out at fellow musicians, calling Lorde's 'Royals' his least favourite song
'Underneath The Rainbow' will come out on March 18
'Underneath The Rainbow' apparently 'sounds like The Fonz fucking a monkey while riding a motorcycle into the sun'
Single taken from band's forthcoming album 'Underneath The Rainbow'
Patrick Carney of The Black Keys has part produced the band's forthcoming LP
New York bands played shows together prior to murder of two members of The Yellow Dogs earlier this month
They were "really cool guys and we are gonna miss them" wrote the band following the tragedy which left four dead