What are the notes on a 16 hole harmonica?
A 16 hole chromatic harmonica has a range from C3 which is the C below middle C on a piano, up to a D7. So it's 4 octaves plus a C# and a D. That's 4 octaves. Harmonica's makes sound both BLOWING and DRAWING IN AIR, these are called BLOWS and DRAWS.
How many holes should a chromatic harmonica have?
Chromatic harmonicas are usually 12, 14 or 16 holes long.