If you’ve ever played the open mic circuit, you’ve probably seen Justin Arnold. Playing regularly at Bottle & Barrel and The Sheeley House, Justin is an acoustic singer-songwriter clearly inspired by the likes of Ben Harper and Jack Johnson, and he now has a five-song EP under his belt. Many of his songs are soulful ballads, and the experience is all about vocal delivery. His voice starts, and always returns, to where you’d traditionally think it belongs: at a mellow, soothing pitch. But as the lyrics become more meaningful and guitar strokes more purposeful, his voice booms for a few unexpected moments. The raw emotional output speaks to his passion for music, of which he has plenty to go round. Unfortunately, as seems to be the case as of late, Justin is leaving the area in August (for Thailand). But you have one last shot to catch him, at a farewell show planned for Bottle & Barrel on July 17.