I first ran into trumpeter Dave Scott at the Los Angeles County Museum of Art (LACMA). Every Friday night, LACMA provides a year round showcase of some of the finest jazz on the West Coast, and it's free. I was familiar with Scott because he was an instructor for the jazz department at my alma mater, the University of Southern California, and he had a release on Vinny Golia's Nine Winds label, the premiere free jazz label in North America. The following is a candid portrait of the horn player th …