Doc Severinsen began playing first trumpet in 1952 with The Tonight Show Band directed by Skitch Henderson. He actually joined the band in 1962, several months before Johnny Carson became host. He took over as bandleader in 1967, and continued until Carson's retirement in 1992.
Doc Severinsen Trumpet Clinic - Part 2 of Part 2 of the clinic by Doc Severinsen on trumpet playing. He goes through his entire warmup routine, actually warming up during the clinic. I believe this clinic was given in the early