The Hohner Golden Melody Progressive is a professional diatonic harmonica meticulously fine-tuned to ensure equal temperament. This iteration of the Golden Melody has been upgraded with stainless steel covers that enhance handling and stability, as well as a reimagined comb design that bolsters the harmonica’s volume and airtightness. The Golden Melody Progressive harmonica’s tempered tuning sets the stage for single-note melodies across a range of genres. This top-quality diatonic harmonica guarantees a user-friendly experience while also delivering a warm tonality. The instrument’s sleek structure invites nuanced articulation without demanding excessive air to unleash its resonant timbre. This Hohner Golden Melody Progressive harmonica comes in the key of D. Key of D Stainless Steel Covers Red Hohner Comb w/ 10 Holes Premium Brass Reeds Diatonic, 3 Octave Range