Career
Cagnolatti began on trumpet around 1929 and played with Herbert Leary from 1933 to 1942, as well as off and on with Sidney Desvigne and Papa Celestin. He recorded with Paul Barbarin repeatedly over the course of the 1950s and 1960s. He and Jim Robinson collaborated in the early 1960s, and he also recorded with Harold Dejan in 1962 and with the Onward Brass Band in 1968.
From 1974 to 1980 Cagnolatti was a mainstay at Preservation Hall.
He suffered a stroke in 1980 and did not play afterwards.