Known for leading various incarnations of his avant chamber-esque folk-country outfit Beat Circus, Florida-born, Boston-based trumpeter (actually, multi-instrumentalist), bandleader, composer, arranger, and singer/songwriter Brian Carpenter is also the principal driving force behind the Ghost Train Orchestra, restoring to life some of the most ebullient -- and oftentimes underappreciated or even largely forgotten -- music of early 20th century America. Since emerging in 2006, the group has explored offbeat chamber jazz from the '20s, '30s, and '40s via acclaimed efforts like H...