This instrument provides the fundamental bass tones, with double reeds, for the tonic and the dominant (the first and fifth tones) of the major scales of F, C, and G, and six tones in each of the tonic and dominant chords of the same keys. It will be a splendid addition to harmonica band and is almost indispensable in small ensembles. As F is the subdominant in the key of C, and C is the subdominant in the key of G, in these two keys, C and G, the Vineta provides the principal chords that are used am an accompaniment to more than 50% of the songs ever written. The blow tones give the fundamental bass tones and the tonic major chords, and the draw tones the dominant bass and the dominant seventh chords. 24 double holes, 48 reeds, Comb: Wood, Tuning: Equal Temperament, Length: 7 1/4 inches