Banjo-playing singer returns to Toronto for Winterfolk XIV festival. Nick Krewen Music, Fri., Feb. 12, 2016 You know you have a dedicated fan base when they’re willing to finance your barn. Nashville-based banjo-picking folkie Mean Mary recently conducted a $9,000 (U.S.) Indiegogo campaign to fund her soon-to-be-released album Sweet and build a shelter for her horses. Her loyal followers happily ponied up for both. “Yeah, that worked out pretty good,”…