Magna Carta is a progressive rock/folk rock group, originally formed in London in April 1969. Their first concert was on 10 May 1969, by Chris Simpson, Lyell Tranter, and Glen Stuart.

Vertigo Records is a British record company. It was a subsidiary of the Philips/Phonogram record label, launched in 1969 to specialise in progressive rock and other non-mainstream musical styles. Today, it is operated by Universal Music Germany, and the UK catalogue was folded into Mercury Records, which was absorbed in 2013 by Virgin EMI Records, which returned to the EMI Records name in June 2020.