Dave Matthews Band violinist Boyd Tinsley will sit in with Nicki Bluhm and The Gramblers tomorrow during their show at Boulder, CO’s Fox Theatre. Tinsley is continuing the promotion of his 2012 film Faces in the Mirror and will also host a gathering in Boulder to discuss the movie.

Dave Matthews Band is currently off the road, but will head to South Africa on November 30 to begin their South Africa and South American tour that includes stops in Johannesburg, Sao Paulo and Cape Town.