In April 1984, eight years after the demise of Deep Purple, a full-scale (and legal) reunion took place with the "classic" Mark II line-up from the early 1970s: Gillan, Lord, Blackmore, Glover and Paice. The reformed band signed a worldwide deal with PolyGram, with Mercury Records releasing their albums in the US, and Polydor Records in the UK and other countries. The album "Perfect Strangers" was recorded in Vermont and released in October 1984. The album was commercially successful, reaching number 5 in the UK Albums Chart and number 12 on the "Billboard" 200 in the US. The album included the singles and concert staples "Knockin' At Your Back Door" and "Perfect Strangers". "Perfect Strangers" became the second Deep Purple studio album to go platinum in the US, following "Machine Head".