Diatonic Tremolo Harmonica with 2 x 16 holes, 32 notes, comb from beech wood.

Popular music often uses improvisation, that contains a maximum of 3 chord type:
Tonic, Dominant and Subdominant chords.

Many pieces accommodate only two chords (Tonic and Dominant chords). With the diatonic tone layout a lot of popular melodies are playable.

The one who needs a Subdominant
chord as well can buy a second Tremolo in G here.

Note layout
Shanty32 C

Blow	C1		E1		G1		C2		E2		G2		C3		E3
Hole	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
Draw		D1		G1		B1		D1		F2		A2		B2		D3