The duo from Southern California, Nathan James and Ben Hernandez, moved a full house at the Fret House in Covina on Saturday, with their country blues and their humor.  Recent winners of the 2007 International Blues Challenge Solo/Duo award, Hernandez provides his talents in vocals, kazoo, jug, washtub bass, spoons, and harmonica. James offers his guitar, vocals, foot percussion and harmonica to the blues band. Their debut album Make A Change Sometime was introduced in 2005.