“The Sofa Sessions,” a renowned series of intimate gatherings for local musicians at Brenau University hosted by famed songwriter and Gainesville-bred Bruce Burch, is coming to a close. Burch is ending his residency as a faculty member at Brenau and returning to the music scene in Nashville, Tenn., home to some of his greatest exploits in the industry. But the live event may be resurrected in some shape, form or fashion if interest holds.