Louis Armstrong (August 4, 1901 - July 6, 1971) nicknamed Satchmo or Pops, was an American jazz trumpeter and singer from New Orleans, Louisiana. Coming to prominence in the 1920s as an inventive trumpet and cornet player, Armstrong was a foundational influence in jazz, shifting the focus of the music from collective improvisation to solo performance. With his instantly-recognizable gravelly voice, Armstrong was also an influential singer, demonstrating great dexterity as an improviser