Guitarist and mandolinist Jef Ramsey; acoustic jazz and soul duo Allison Scull & Victor Martin; The Mackay Project with vibe and keyboard player Thomas Mackay; and guitar and percussion duo Charles Guy and Michael Whipple will compete starting at 4 p.m. Saturday, April 20, in the Rising Stars music competition at South Stage Cellars, 125 S. Third St., Jacksonville. Audience members can vote for their favorite musician. Votes cost $2. Admission is free. See www.southstagecellars.com or call 541-899-9120.