By Denny Dyroff, Entertainment Editor, The Times Old Sea Brigade Over the next few days, there will feature be several shows bound to pique the interest of fans of Americana music — concerts by Old Sea Brigade, The Bumper Jacksons and The Dirty Grass Players. On November 29, The Foundry at Fillmore Philadelphia (1100 Canal Street, Philadelphia, 215-309-0150, www.thefillmorephilly.com) will...