Southern Oregon University's Jazz Ensemble, directed by Martin Behnke, will present "Signal Fires," a program of classical and contemporary jazz written for big bands by composers and arrangers such as Maynard Ferguson, Bill Holman, Fred Sturm, Pat Metheny, Lyle Mays and others. The concert is set for 7:30 p.m. Friday, May 27, in the Music Recital Hall on the Southern Oregon University campus, 1250 Siskiyou Blvd., Ashland. The SOU Jazz Trio, directed by Steve Davidson, will be showcased at the concert. The trio will feature Ryan Johnson on bass, Donny Murrell on drums and Jacob Ransom on vibes. Tickets are $5, free for students, and are available at the music hall box office or by calling 541-552-6101.