The 10th Annual Bluegrass Festival takes place over two days with performances by The Andy Carlson Band, The Dappled Greys, the Denison Bluegrass Ensemble Band and Denison Suzuki Fiddlers at 7 p.m. on Friday, Feb. 14, and IIIrd Tyme Out with The April Verch Band with Hayes Griffin at 7 p.m. on Saturday, Feb. 15. Instrumental Workshops take place from 10 a.m. to 2 p.m. on Saturday, Feb. 15, in Burke Rehearsal Room. A master class with “The Rage” will also take place at 2 p.m. on Sunday, Feb. 16. Free and open to the public. A ticketed concert with Rhonda Vincent and The Rage will take place at 7:30 p.m. on Sunday, Feb. 16, at the Midland Theater.