The first leaves are turning, and jackets are now required evening wear. Autumn is here, and the KPBX Kids' Concert series celebrates with classical string quartet Tedesca. Come see this special free concert on Saturday, Oct. 3 at 1 p.m. at River Park Square in Downtown Spokane.Tedesca performs at festivals, concerts and private performances across the region. At the Kids’ Concert they’ll be playing music for the string quartet appropriate for fall including Vivaldi’s Four Seasons, Autumn by Astor Piazzola, jazz classics and a few seasonal surprises. Tedesca members will also show what their individual musical instrument can do. David Armstrong is assistant principal second violin for the Spokane Symphony. A former resident of Kirkland, WA, he earned a Bachelor of Music Performance from Michigan State University and a Master of Music Performance from Northwestern University. While a member of the Civic Orchestra of Chicago, he was awarded a Civic Fellowship. Before coming to Spokane, David played for the Bellevue Philharmonic.