Sarah Vaughan was an American jazz singer who was known for her powerful, emotive voice. She was born in 1924 and began singing in church choirs as a child. She went on to become one of the most influential jazz singers of all time, with a career spanning over five decades. She won four Grammy Awards and was inducted into the Down Beat Jazz Hall of Fame in 1989. Her most famous songs include 'MISTY' and 'Send in the Clowns'.