Yvonne Baker and the Sensations were an American musical group prominent in the late 1950s and early 1960s, known for their soulful rhythm and blues style. The band, led by vocalist Yvonne Baker, had a distinctive sound characterized by Baker's powerful voice and the group's harmonious backing vocals. Their most notable recording, "Let Me In," reached the Top 10 on the Billboard Hot 100, defining their place in the history of American pop music. The Sensations' influence can be seen in the development of Philadelphia soul and their contributions to the rhythm and blues genre.