The diatonic harmonica also called blues harp or mouth organ is the most popular harmonica. It is manufactured by Hohner, Lee Oskar, Seydel and Suzuki. Originally it was meant to play folk music but with special techniques called bends and overbends you can play a full chromatic scale on the diatonic harmonica and thus use it to play jazz, world music, pop, any genre. The diatonic harmonica is primarily used in Blues where people like Sonny boy Williamson, Little Walter or Big Walter Horton forged its sound. Find the best choice of diatonic harmonica at harmonicaland.com
