Punch Howarth As a reminder, Linus Lerner will front the orchestra on Saturday, October 20 at DesertView Performing Arts Auditorium at 7:30 p.m. and at St. Andrews Presbyterian Church in Oro Valley on Sunday, October 21 at 3:00 p.m. Camille Saint-Saens Piano Concerto No. 2 highlights the concert and features soloist Sandra Shen. Also, on…