Peter Thompson continues his "Bluegrass Signal" celebration of live bluegrass recordings continues with a few songs from the 1973 Old & In the Way shows that made them the most influential bluegrass band between the pioneers and Alison Krauss. Also: one of those pioneers (the Stanley Brothers) plus the New Lost City Ramblers, Roscoe Holcomb, and Cousin Emmy - all from a 1966 tour of Germany. Airs 8/28 at 6:30pm; listen antime through 8/4 via KALW's Local Music Player.