Singer/musician Denny Breau will share his easy-going stage presence and guitar-picking skills with audiences at the 20th Annual Great Falls Balloon Festival and in Turner. On Saturday, Aug. 18, from 9 to 10:30 p.m., the Denny Breau Band will play on the festival’s Auburn stage. On Tuesday, Aug. 21, Breau will perform at 6:30 p.m. at the “Music for Mavis” gazebo on Route 117, Turner. He will be joined by his wife, Ann, on Native American flute. The concert is free, though donations are appreciated.