Alessio Bax shines in Hummel’s virtuosic Septet for Winds, Strings and Piano. Principal oboist of the Oregon Symphony Martin Hebert performs Mozart’s Divertmiento in D Major for Oboe, Two Horns and Strings. Also on the program, Christopher Theofanidis’ Quasi una fantasia for Two B-Flat Clarinets and String Quartet (2013, West Coast premiere). Musical Conversation 7-7:30 PM. Tickets: $6 to $50, available at Organizer link above. Concert repeats July 14, 4:00 PM (No Musical Conversation) at. Mary’s Academy, 1615 SW Fifth Ave., Portland, 97201.