Jason King (TV series) the X-Men comics, the character of Jason Wyngarde (aka Mastermind) was partially inspired by Jason King and Peter Wyngarde. Mastermind had first appeared in the 1960s, but took on the appearance and identity of Jason Wyngarde in the build-up to the X-Men's first confrontation with the Hellfire Club in the late 1970s. Wyngarde had played the leader of another Hellfire club in "A Touch of Brimstone", an episode of the popular TV series "The Avengers", in which Diana Rigg appeared in a leather costume that Jean Grey adopted as the Hellfire Club's Black Queen. He is also one of the
1970s in music 40 and contemporary hit radio stations throughout the 1970s. Soft rock often used acoustic instruments and placed emphasis on melody and harmonies. Major soft rock artists of the 1970s included Carole King, James Taylor, Billy Joel, Chicago, America, the Eagles and Fleetwood Mac, whose "Rumours" (1977) was the best-selling album of the decade. (See the country music section of this article for more about country music that crossed over onto the pop charts.) Bob Dylan's 1975–1976 Rolling Thunder Revue reunited him with a number of folk-rock acts from his early days of performing, most notably Joan Baez, who returned to