Dorothy Collins was a prominent Canadian-American pop and jazz singer in the mid-20th century. Known for her crystal-clear vocal style and range, she gained widespread popularity as a featured vocalist on the hit television show "Your Hit Parade" from 1950 to 1959. Collins' style was emblematic of the era, blending traditional pop with elements of jazz and big-band music. Her most notable song, "My Boy - Flat Top," reached number 16 on the Billboard chart in 1955, cementing her place in American music history.