Single tickets to the 2018-2019 Santa Rosa Symphony Classical Series concerts will go on sale at 10 a.m. Monday, Aug. 13.

There will be a 15 percent discount available until Aug. 31, depending on seat location. The pre-season sale tickets cost $20-$74 per concert and are available for Classical Series only.

The symphony’s 91st season begins Oct. 6 and continues through May 6 with performances at 7:30 p.m. Saturday and Monday evenings and 3 p.m. on Sunday afternoons in Weill Hall at Green Music Center.

The series of seven concert sets opens with new Music Director Francesco Lecce-Chong conducting Beethoven’s Fifth Symphony. Lecce-Chong will also conduct in November and January.

Tickets may be purchased at srsymphony.org, at 707-546-8742 or in person at the Patron Services Office, 50 Santa Rosa Ave., from 9 a.m. to 5 p.m. Monday through Friday.