Chromatic harmonicas enable the player to perform music in all keys on one instrument. Actually they consist of two diatonic harmonicas in one, tuned a semitone apart - for example in C and C#. The slide button is pushed in to switch the airflow from one to the other, thus raising the pitch of each note by a semitone. By combining these two scales, all 12 notes of the chromatic scale are available (some of them twice), which opens up a wealth of new musical options to the player. Chromatic harmonicas can easily be distinguished from other harmonica models by the slide button on the right hand side. They are most commonly heard in classical music and jazz, but are also often used in blues, folk music and pop. All chromatic harmonicas feature tempered tuning. he classic chromatic harmonicas. The high quality of workmanship and material ensure an excellent sound. Comb is made of pearwood or plastic. The models of the Chromonica Series are especially well suited for use in harmonica orchestras, but are also popular as solo instruments. . . . . .