On a Diatonic 10 hole harmonica in the key of C
The notes highlighted are the C Major scale
Up the scale
4 -4 5 -5 6 -6 -7 7
Do Re Mi Fa So La Ti Do
Down the scale
7 -7 -6 6 -5 5 -4 4
Do Ti La So Fa Me Re Do
You can play lots of tunes just using this scale holes 4-7 both blow and draw, here are some tunes that use the notes in the C major scale below
