The Duke in A

Dave Brubeck(1955)swing
Do Re MiC D E
A
B

Chord Diagrams — The Duke in A (Guitar)

Display
FingerNoteDegree
DMaj7
EADGBE111xx
2frEADGBE111x435frEADGBE1113247frEADGBE111xx4
Adim♯7
G♯7
EADGBE111xx2
4frEADGBE1111326frEADGBE11x32411frEADGBE111134
D♯m7♭5
EADGBE222xx1
6frEADGBEx1324x7frEADGBE11xx2410frEADGBE2x341x
G♯m/F♯
4frEADGBE111134
6frEADGBExx13427frEADGBExx324111frEADGBE111342
C♯m7
4frEADGBE111x32
5frEADGBExx23149frEADGBE11111411frEADGBExx1423
G7
EADGBE321
3frEADGBE1111325frEADGBE11x32410frEADGBE111134
Dm7
EADGBExx312
5frEADGBE1111326frEADGBExx231410frEADGBE111113
Bm9
EADGBEx1234
3frEADGBE222x147frEADGBE11113410frEADGBE112234
A♯Maj7
EADGBE11x324
3frEADGBE111xx46frEADGBE1114238frEADGBE11333x
C
EADGBEx321
3frEADGBE1112345frEADGBE111xx48frEADGBE111342
G♯m7
4frEADGBE111113
6frEADGBE11x4239frEADGBE11x23x11frEADGBE111132
Am7
EADGBEx21
EADGBEx23145frEADGBE1111137frEADGBE11x423
FMaj7
EADGBExx321
EADGBE1114233frEADGBE11x3338frEADGBE111324
C7
EADGBEx3241
3frEADGBE1111345frEADGBE111xx28frEADGBE111132
Gm7
3frEADGBE111113
5frEADGBE11x4238frEADGBE11x23410frEADGBE111132
E7
EADGBE21
5frEADGBEx3241x7frEADGBE1111349frEADGBE111xx2
B7
EADGBEx2134
EADGBE1111344frEADGBE111xx27frEADGBE111132
D♯7
EADGBExx1324
6frEADGBE111x348frEADGBE111xx211frEADGBE111132
AMaj7
EADGBEx213
EADGBE111x45frEADGBE1114237frEADGBE333x1
A♯7♭9
EADGBEx123
4frEADGBE3241xx6frEADGBE111x2312frEADGBE11x234
C♯7
EADGBEx3241x
4frEADGBE111x346frEADGBE1114329frEADGBE111132
B6
EADGBEx312x
EADGBE3333x17frEADGBE1x324x9frEADGBE11xx34
Fm
EADGBE111134
3frEADGBExx13428frEADGBE11134210frEADGBE1142xx
Dm
EADGBExx231
5frEADGBE1113426frEADGBEx4231x10frEADGBE111134
A7
EADGBEx23
EADGBE111x25frEADGBE1111327frEADGBEx1324
Bm7♭5
EADGBEx1324x
6frEADGBE2x341x7frEADGBE1112349frEADGBE222xx1
D7
EADGBExx213
3frEADGBEx3241x5frEADGBE11113410frEADGBE111132
Am7♭5
EADGBEx23x
4frEADGBE2x341x5frEADGBE1112347frEADGBE222xx1
E7♯9
EADGBE214
3frEADGBE3126frEADGBEx2134x9frEADGBE11123
Dm7/F
EADGBExx312
5frEADGBE1111326frEADGBExx231410frEADGBE111113
Gdim7
EADGBE31x42
EADGBE3x1423frEADGBE1112345frEADGBExx1324
Dm7/A
5frEADGBE111132
EADGBExx3126frEADGBExx231410frEADGBE111113
A♯7
EADGBE111x34
6frEADGBE1111328frEADGBE11x32411frEADGBEx3241x
FMaj7/C
3frEADGBE11x333
EADGBExx321EADGBE1114238frEADGBE111324
Dm9
EADGBE132
3frEADGBE2222x15frEADGBEx142310frEADGBE111134

The Duke in A

Key of A

A major is a rock and blues cornerstone. The open A string delivers a strong root, while both E strings ring as the fifth. Classic A-D-E progressions practically play themselves with open cowboy chords. The open high E is the fifth, reinforcing power. A is a beginner-level key on guitar because the open A string is the root and the open E strings provide the fifth above and below, creating a massive low-end anchor. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

The bass line moves through D to A (descending perfect fourth), A to G# (descending half step), G# to D# (descending perfect fourth), D# to G# (ascending perfect fourth), G# to C# (ascending perfect fourth), C# to G (ascending tritone), G to D (descending perfect fourth), D to B (descending minor third), B to A# (descending half step), A# to C (ascending whole step), C to G# (descending major third), G# to A (ascending half step), A to F (descending major third), F to C (descending perfect fourth), C to G (descending perfect fourth), G to E (descending minor third), E to B (descending perfect fourth), B to D# (ascending major third), D# to A (ascending tritone), A to A# (ascending half step), A# to C# (ascending minor third), C# to B (descending whole step), B to F (ascending tritone), F to D (descending minor third), D to A (descending perfect fourth), A to B (ascending whole step), B to D (ascending minor third), D to A (descending perfect fourth), A to E (descending perfect fourth), E to D (descending whole step), D to G (ascending perfect fourth), G to D (descending perfect fourth), D to A# (descending major third), A# to F (descending perfect fourth), F to D (descending minor third). A half-step bass movement creates a strong leading-tone pull that demands resolution. The root motion by larger intervals (fourths and fifths) gives each chord change a strong, decisive character. When the progression loops, the bass returns from D to D by unison.

Scales for Improvisation

A major pentatonic works because every note is either a chord tone or a safe passing tone — there are no avoid notes. For soloing, this means you can play freely without clashing. Over dominant seventh chords, A Mixolydian adds the flat seventh for an authentic blues-rock edge.

swing4/4 · 25 bars · Form: AB

Chords: DMaj7, Adim♯7, G♯7, D♯m7♭5, G♯m/F♯, C♯m7, G7, Dm7, Bm9, A♯Maj7, C, G♯m7, Am7, FMaj7, C7, Gm7, E7, B7, D♯7, AMaj7, A♯7♭9, C♯7, B6, Fm, Dm, A7, Bm7♭5, D7, Am7♭5, E7♯9, Dm7/F, Gdim7, Dm7/A, A♯7, FMaj7/C, Dm9.

Scales for Improvisation A bebop, A bebop major.

Diatonic chords: See all chords in the key of A