Guitarist Dustin Hamman, aka Run On Sentence, will play his original tunes at 9 p.m. Thursday, May 23, at Caldera Tap House, 31 Water St. Hamman is based in New Mexico, where he’s been breaking onto a local music scene and recording music for a film called “Blue Potato.” He also heads up a group called Community Supported Music, where members can get a song a month via email. Find out more at Hamman will be joined by country and blues guitarist Justin Gordon. The cover costs $5.