In addition to releasing a string of successful records between 1912 and 1949, Al Jolson achieved pre-eminent stardom on Broadway, hosted several radio series, and became the first important figure of the sound-era of motion pictures. His performing style was brash and extroverted; he billed himself as "the world's greatest entertainer," and he was known for his slogan, "You ain't heard nothin' yet!" He popularized a large number of songs that benefited from his sentimental, melodramatic approach, one which, especially when executed in front of live audiences, was considered b...