Timpanists David Morris and Mark Yancich, left and right, will perform one of only two double timpani compositions this weekend with the Valdosta Symphony Orchestra. Robert Welch, center, the VSO’s first conductor, has helped the timpanists rehearse for the performances. https://flic.kr/p/2npgLaZ

Source of photograph: The Valdosta Daily Times. "Double timpani work leads Valdosta Symphony concert," Feb 4, 2014