Shop › JDR Evolution Diatonic Image 1 of 2 Image 2 of 2 JDR Evolution Diatonic $49.00 NEW! Great harp, play fast and loud! JDR aluminum comb, thick Reed plates. Great harmonica, with a great price! Key: C Bb Get notified by email when this product is in stock. Add To Cart Added! NEW! Great harp, play fast and loud! JDR aluminum comb, thick Reed plates. Great harmonica, with a great price! Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Quick View Hohner Special 20 set of 5 Sold Out Quick View Easttop T008K 12 Piece Set Sale Quick View Bushman Roundhouse with Instructional Book Quick View Refurbished Hohner Special 20 Sale Quick View Easttop 008k NEW version