Diatonic Harmonicas

When this page is first displayed the harmonicas are listed from lowest pitch to highest. You can sort by the circle of fifths by clicking on the head of the first column. Use your browser's reload button to get back to pitch order.

Flats|Sharps
(Circle of Fifths)
1 Straight Harp
Ionean (major)
2 Cross Harp
Mixolydian (dominant)
3 Slant Harp
Dorian (minor)
4
Aolean (minor)
5
Phrygian (minor)
+1GDAmEmBm
-4A♭E♭B♭mFmCm
+3AEBmF♯mC♯m
-2B♭FCmGmDm
+5BF♯D♭mG♯mD♯m
0CGDmAmEm
-5D♭A♭E♭mB♭mFm
+2DAEmBmF♯m
-3E♭B♭FmCmGm
+4EBF♯mC♯mG♯m
-1FCGmDmAm
+6F♯D♭A♭mE♭mB♭m

Harmonica Case Layout

This is a graphic that shows how harps could be layed out in a rectangular case with 12 slots, one for each key. Note that this scheme omits the low tone harps like LF etc. The layout is much like the circle of fifths. The idea is to be able to grab a harp quickly. If it's a blues in one key (e.g. C) then grab the harp to the left on the top row (e.g. F) or to the right on the bottom row. If it's in a minor key grab the one two slots to the left (around the "circle"). (To do: Put a graphic circle smack dab in the middle. Make it bigger.)

Bb
F
Cm
Gm
Dm
F
C
Gm
Dm
Am
C
G
Dm
Am
Em
G
D
Am
Em
Bm
D
A
Em
Bm
F#m
A
E
Bm
F#m
C#m
Straight (1,4,7,10)
Cross (2draw, 3, 6,9)
Slant (1draw, 4draw, 8draw)
fourth (3double draw, 6draw, 10draw)
fifth (2, 5, 8)
Eb
Ab
Fm
Cm
Gm
Ab
Eb
Bbm
Fm
Cm
Db
Ab
D#m
Bbm
Fm
F#
Db
G#m
D#m
Bbm
B
F#
C#m
G#m
D#m
E
B
F#m
C#m
G#m
ionic
mixolidian
dorian
aolean
phrygian

Here's the hand written one I've had in my case for years.