Sonoma State University has announced its spring concert series, including a performance by jazz singer Diane Schuur.

Backed by the USAF Commanders Jazz Ensemble, Schuur will perform at 7:30 p.m. April 13 in the Green Music Center’s Weill Hall on the Rohnert Park campus.

The concert is free, but tickets will be required. Those tickets are available at (707) 664-2353 or http:/www.sonoma.edu/music/performances.

The season also includes the Baker’s Dozen Subscription Series of 13 concerts, opening Feb. 4 with the Navarro Trio.

Series tickets cost $96-$114, and single tickets cost $10-$15.