Susan Barrett is an American pop and soul singer who gained prominence in the mid-20th century. Known for her soulful voice and emotive performances, her most well-known track is probably "What's It Gonna Be", released in 1967, which has become a classic in the Northern Soul scene. Though her recording career was relatively brief, Barrett's distinctive style and contribution to the soul and pop genres continue to be appreciated by fans and music historians. Her music encapsulates the energy and dynamism of the era, making her an important figure in the history of pop and soul.