The American trombonist Frank Rosolino (1926-1978). He still counts as one of the most virtuoso soloists on this instrument and he has been very productive in various orchestras and compositions. Today, recordings of quartets under his own name from 1956 and 1978, in which his power of expression is immediately recognized.
Sources:
Frank Rosolino Quartet (LoneHillJazz 10157)
Frank Rosolino: The Last Recording (Sea Breeze Jazz 3080)
