HOHNER 532BX-C Blues Harp Harmonica, Key of CThe Hohner 532BX C Blues Harp Tuned to Key of C Diatonic Harmonica has set the industry standard through high quality construction, excellent response and unsurpassed tone. The Blues Harp Diatonic Harmonica Dig in deep and experience the raw power and grit of the blues with the Diatonic Harmonica. The Blues Harp is engineered for consistent volume and tone when used for intense blues playing. Whether youre a beginner or advanced, the Blues Harp is the