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
Round the Twist their parts. Overall, three sets of children (the Twists, the Gribbles and Fiona) were cast. Additionally, most of the major adult roles were recast at least once: overall, there were two Tonys, two Nells, three Fays, two Mr Snappers, two Harold Gribbles, and three Matron Gribbles across the series' run. The show revolves around the four members of the Twist family: Characters who appear briefly in each episode of a series: Four seasons of "Round the Twist" have been made, each comprising thirteen episodes. Although each episode has a self-contained plot each series has a recurring theme, usually an object