the main instruments are guitar, vocals, drums and bass. the piedmont style is played on acoustic instruments. the main difference to the delta blues is the ragtime based rhythm. the style is influenced by ragtime, country string bands, traveling medicine shows and popular song of the early 20th century. east coast piedmont blues blended both black and white, rural and urban song elements in the diverse urban centers of the southeast and mid-atlantic region. in contrast to delta blues, the piedmont blues were influenced by white music.