All through the 1970s and 1980s I (Curt) played the harmonic, the
Blues harp. Started while in the Navy and keep it going for quite awhile. Played in a local cover band and would feature the harp on few songs. I played Hohner, 1-=0-Hole Diatonic, Blues harps and had quite a few keys. Actually, still have one left in D (somewhere). (2022 Update) My preferred harps these days are from C.A. Seydel Söhne.
C.A. Seydel Söhne, 1847 Series - This series includes the Classic, Silver and Noble. All are similar but the classic has a wood comb, Silver has a plastic comb and the Noble has an aluminum comb with vented sides. The 160th anniversary model is similar but with luxury components and is only available in the key of C. Only 160 of these were produced. These models have stainless steel reeds.
10-Hole Diatonic Harmonica
A 10-Hole Diatonic, a.k.a,
Blues Harp is a great instrument to learn and add to your repertoire. It's even more portable than the ukulele.
Strictly speaking, diatonic denotes any harmonica designed to play in a single key—though the standard Richter-tuned harmonica diatonic can play other keys by forcing its reeds to play tones that are not part of its basic scale. Depending on the country, "diatonic harmonica" may mean either the tremolo harmonica (in East Asia) or Blues Harp (in Europe and North America). Other diatonic harmonicas include octave harmonicas.
Most often Diatonic refers to musical elements derived from the Modes and transpositions of the "white note scale", the C Major Scale: C–D–E–F–G–A–B. In some usages it includes all forms of heptatonic scales that are in common use in Western music (the major, and all forms of the minor).
It's the Blues/Diatonic Harp that we, as ukulele players can get some immediate success with. And, will be the focus of all harmonica content on LearningUkulele.com and Learning Ukulele with Curt.
Typical 10-Hole Diatonic Harmonica — C
Each 10-Hole Diatonic harmonic is a capable of playing in many keys. With 1st and 3rd (Cross-harp) the most common and easier to play.
Each 10-Hole Diatonic harmonic is a capable of playing a one octave Major Scale.
- Top row, every hole, the draw notes are ALL the notes of a C Major Chord: C E G . The Tonic/I chord in the Key of C Major .
- C, the root or Tonic of the key/harmonic only appears as Draw notes.
- The G B D (Holes: 2 3 4) on the bottom row are the Dominant/V chord, G , also B Diminished in the Key of C Major .
- The B D F, the bottom row above are the 3 5 b7, the B D F of the Dominant/V chord, G7 , also B Diminished in the Key of C Major .
- Bottom row again contains the notes of a Dm: D F A . A Dm chord in the key of C Major is a substitute for G or G7. Those notes are actually in a G9 chord: G B D F A.
As mentioned above,
Each 10-Hole Diatonic harmonic is a capable of playing in many scales/keys.
Using the C Diatonic 10-Home harmonica (above) as an example, these Key/Scales are are possible:
Reading Harmonica TAB
Make a sound on a harmonica requires one to either Blow into the harmonic or Draw from the harmonica. Each hole of a 10-hole diatonic harmonica is numbered: 1 2 3 4 5 6 7 8 9 10. With each hole capable of playing two notes, depending on whether you blow into the harmonica or draw air from the harmonica.
- A number 1 2 3 4 5 6 7 8 9 or 10, by itself is the default action, indicating to Blow into the numbered hole.
- A minus Sign —, is used the indicate to Draw from the harmonica.
It is a simple as that.
Note: Basic, beginner harmonicas often has the holes numbered. Professional instruments do not.
Available One Octave Scales
C(-1) D(1) |
no F G(2) |
G(-3) no A B(3) |
C(-4) D(4) |
E(-5) F(5) |
G(-6) A(6) |
B(7) C(-7) |
D(8) E(-8) |
F(9) G(-9) |
A(10) no B C(-10)
Reminder: minus (–) indicates to draw.
- C Major/Ionian, 1st Position: C D E F G A B C' — -4 4 -5 5 -6 6 7 -7
- G Major Pentatonic/Pentatonic: C d E G A C' — -4 4 -5 -6 6 -7 &♭ -7 8 -8 -9 10 -10
- D Dorian: D E F G A B C' — 4 -5 5 -6 6 7 -7 8
- E Phrygian: E F G A B C D E' — -5 5 -6 6 7 -7 8 -8
- F Lydian: F G A B C D E F' — 5 -6 6 7 -7 8 -8 9
- G Mixolydian/Dominant, 2nd Position: G A B C D E F G' — -6 6 7 -7 8 -8 9 -9
- G Major Pentatonic/Pentatonic: G A B D E G' — 2 3 4 -5 -6
- A Aeolian/Natural Minor: A B C D E F G A' — 6 7 -7 8 -8 9 -9
- B Locrian: B C D E F G A B' — 3 -4 4 5 -5 6 -5 7
These are ALL of the Modes of the C Ionian/Major scale. With that said, the C Major and G Mixolydian are by far the most common.
1st Position, Straight Harp
First (1st) Position is the actual key of the harmonica and matches the key of the song. Typically printed on one side of the comb of the harmonica. Lee Oscar harmonicas also have the 2nd Position key one the other side of the comb.
2nd Position, Cross-Harp
Second (2nd) Position or Cross Harp is mainly used for the Blues. You pick a harmonic that is in the key that is a Fifth, a Perfect Fifth of from C, (C D E F G A B ).
Natural & Sharp Keys
Key of Song
Natural & Flat Keys
Key of Song
For picking the right harmonic for a given song key simply do the opposite. If the song is in the Key of Bb, you need a Diatonic harmonic in the key of F.
For the musically knowledgeable the Harp to Song key is a Perfect Fifth and the Song to Harp is a perfect Fourth — The Rule of Nine.
Again, this is all for playing in 2nd Position.
Let 'er Rip!
A few fun, famous harmonica licks, riff, melodies.
3 -3 4 -3 3
-3 -3 -3 -3 -3 4 -4
3 -3 4 -3 3
PDF & Hard Copy Books
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In addition to on-line, right here on LearningUkulele.com, hard copy books are available at , Funky Frets and a few select ukulele dealers. Retailers wishing to carry books by Curt Sheller can contact me, Curt directly here on LearningUkulele.com for more info and to get setup. However, I'm pretty much going all digital and make the content viewable online - just like you can preview a book at a traditional book store.