Louis Armstrong ( August 4 , 1901 -- July 6 , 1971 ) , nicknamed Satchmo or Pops , was an American jazz trumpeter , singer , and one of the pivotal and most influential figures in jazz music .
Louis Armstrong ( August 4 , 1901 -- July 6 , 1971 ) nicknamed Satchmo or Pops was an American jazz trumpeter and singer from New Orleans , Louisiana .