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 but besides his first attempts as musician he had to work as discjockey at the radio station WSVA in Harrisonburg, Virginia. Wikipedia
The definitive Wikipedia entry for Mac Wiseman. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Mac_Wiseman