The Twisted Oak Music Festival champions the classical and art music of Baton Rouge. Which is an excellent reason to come join them at Circa 1857 when the fourth annual festival takes shape. The event promises a rarified, moonlit evening showcasing work by some of Baton Rouge’s finest classical, folk, and jazz musicians. Performing will be Polly Pry, Chris Hare Trio, Particle Devotion, Amy Willson, Elisa Galleano, Guillero Quirós, Dr. Scott Miller, Dr. Corey Knoll, C.J. Boyd, Perla López, and Rafael Herrea. 7 pm–11 pm. $15 in advance; $20 at the door. twistedoakbr.com.