Related Information for Mac Wiseman Malcolm B. Wiseman (born May 23, 1925 in Crimora, Virginia), better known as Mac Wiseman, is a bluegrass singer, nicknamed "The Voice with a Heart". The bearded singer is one of the cult figures of Bluegrass music.He studied at the Shenandoah Conservatory of Music in Dayton, Virginia and started his career as a disc jockey at radio station WSVA in Harrisonburg, Virginia.His musical career began as guitarist in the band of country singer Molly O'Day. When Lester Flatt and Ea.. read more