Solid Faces – Perfect Strangers (Deep Purple cover) Jun 6, 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 « John Martyn Solid air (cover) by 17yr old Joe Little » Gummy Cover – Transparent Clear/Solid Black (S Shape