Louis Armstrong (1901-1971) was a famous singer, composer, and trumpeter during the early 20th century.
spent his youth singing on the street for spare change
was arrested at 11 for firing a pistol on New Year's Eve and spent his 18 month sentence learning how to play the bugle and cornet (claimed it was the year he married music)
spent 3 years playing in jazz ensembles before starting his successful solo music career as a musician
was widely remembered for classic hits such as "What A Wonderful World" and "La Vie En Rose"