Black Noite – Perfect Strangers (Deep Purple cover) Jun 5, 2015 Cover Deep Purple, Cover Hard Rock, Cover Perfect Stranger, Cover Perfect Strangers, Cover Rock, Knocking at your Back Door, Perfect Strangers, Like 0 Thanks! You've already liked this « Smoke On The Water Cover » Whole Lotta Rosie ACDC HD Cover 3 – Me with The Colourblind Hedgehogs!