“You’ll be able to tell that I’ve been influenced by the tradition,” promises trombonist David L. Harris, who is perhaps better known as a modern jazz artist and makes his debut at Satchmo SummerFest on Saturday, August 5. “I never intend to pick up my horn and not lay down some remnants of all of the great guys I’ve played with,” he adds, mentioning noted classic New Orleans jazz musicians like clarinetists Dr. Michael White and Tom Fischer, fretman Don Vappie...