American musician Louis Armstrong, known as Satchmo, a virtuoso trumpeter and popular, gravelly voiced singer, greatly influenced the development of jazz.
Louis Armstrong, nicknamed Pops, a charismatic, innovative performer, improvised soloing, the main fundamental change, shifted focus from the collective to the player. Of the 20th century, he most famously first played cornet player and then reached best toward the end of his career.
https://en.wikipedia.org/wiki/Louis_A...