The American Quartet was a four-member vocal group that recorded for various companies in the United States between 1899 and 1925. The membership varied over the years, but the most famous line-up – John Bieling (first tenor), Billy Murray (second tenor), Steve Porter (baritone), and William F. Hooley (bass) – recorded for the Victor Talking Machine Company from 1909 to 1913. The same group of singers also recorded for Edison Records as the Premier Quartet (or Quartette), and for that... [more on Wikipedia]