The Vandellas, officially known as Martha and the Vandellas, were an American girl group formed in 1960. They were part of the Motown label and became known for their energetic performances and catchy songs. The group originally consisted of Martha Reeves, Rosalind Ashford, and Annette Beard. Their music blended soul, R&B, and pop, making them one of the prominent acts of the 1960s. The Vandellas achieved significant success with hits like "Dancing in the Street" and "Heat Wave." Their sound and style contributed to the Motown sound that defined the era. The group remains influential in the music industry, inspiring many artists who followed.