There were two groups known as The Sensations. The first was a vocal R&B group from Philadelphia who began recording in the 50s. The second was vocal harmony quartet from Jamaica who recorded in the 60s. 1) The Sensations, a quartet from Philadelphia, PA, were one of the first groups of the rock and roll era with an all male background and a female lead. The group formed in Philadelphia in 1954, with Yvonne Mills lead, Tommy Wicks tenor, Alphonso Howell bass, and one other forgotten member, and appeared in amateur shows as the Cavaliers.