Not a Roadrunners show but Rich Schwarz will be appearing with Daryl Davis and Chuck Berry's daughter Ingrid at the "Chuck Berry's Reelin' and Rockin' birthday bash at the Pearl Street Warehouse in DC.
http://www.ticketfly.com/purchase/event/1560424
http://www.pearlstreetwarehouse.com/event/1560424-chuck-berrys-reelin-rockin-washington/