 In 1935 the vocalist Dolly Dawn joined the band, replacing Lee.Often heard on the radio with the band, she became very popular, and they made hit records, the most successful being "You're a Sweetheart", released in 1938.On July 4, 1941, at the Roseland Ballroom in New York, Hall officially turned the band over to her, leaving the music business, and she renamed the band "Dolly Dawn and Her Dawn Patrol".