Music history of the United States in the 1960s and symphonic music, is often taken as the key recording in progressive rock, helping the widespread adoption of the genre in the early 1970s among existing blues rock and psychedelic bands, as well as newly formed acts. Chubby Checker during the early 1960s popularizes the enduring dance craze The Twist with his hit cover of Hank Ballard's R&B hit "The Twist". Gerry Goffin and Carole King become a very influential duo in pop music, writing numerous number one hits including the first song to ever reach number one by a girl group, The Shirelles "Will You Love Me Tomorrow" and
Twist of Shadows the music and the words [him]self since the beginning of Clan of Xymox in 1984". Pieter Nooten, who last contributed to Xymox in 1991, said in 2010 that the members of the band collaborated in songwriting from the start, with Moorings contributing guitar, keyboards and lyrics; Nooten specifically claimed credit for composing "Twist"'s "Clementina". Also in 2010, Bert Barten claimed to have shared authorship for songs on "Twist of Shadows", asserting, "It was always a big grey area who wrote what and who inspired who. All the members even the manager at that time used to fight a lot about