I Could Write a Book in A

Lorenz Hart / Richard Rodgers(1940)swing
Do Re MiC D E
A
E13
Bm11
E7/D
A/C♯
E/G♯
Bm11
E13
Bm11
E7/D
A/C♯
A/E
C♯aug7
Bm7/D
A69

Chord Diagrams — I Could Write a Book in A (Guitar)

Display
FingerNoteDegree
AMaj7
EADGBEx213
EADGBE111x45frEADGBE1114237frEADGBE333x1
F♯m7
EADGBE111113
4frEADGBExx14239frEADGBE11113210frEADGBExx2314
Bm7
EADGBE111132
3frEADGBExx23147frEADGBE1111139frEADGBE11x423
E13
EADGBE213
EADGBE1235frEADGBE13427frEADGBE111134
E7
EADGBE21
5frEADGBEx3241x7frEADGBE1111349frEADGBE111xx2
Bm11
EADGBEx123
5frEADGBE1113427frEADGBE1111149frEADGBE1122xx
E7/D
EADGBE21
5frEADGBEx3241x7frEADGBE1111349frEADGBE111xx2
A/C♯
EADGBEx234
2frEADGBE111x45frEADGBE1113427frEADGBEx1243
Cdim7
EADGBExx1324
EADGBE11x2347frEADGBE112x3x10frEADGBE11xx34
D♯m7♭5
EADGBE222xx1
6frEADGBEx1324x7frEADGBE11xx2410frEADGBE2x341x
G♯7♭9
EADGBE111x2
4frEADGBE11xx235frEADGBE11xx2310frEADGBE11x234
C♯m7
4frEADGBE111x32
5frEADGBExx23149frEADGBE11111411frEADGBExx1423
E/G♯
4frEADGBE111432
EADGBE2312frEADGBExx12437frEADGBE111234
Gdim7
EADGBE31x42
EADGBE3x1423frEADGBE1112345frEADGBExx1324
B7
EADGBEx2134
EADGBE1111344frEADGBE111xx27frEADGBE111132
Em7
EADGBE2
EADGBE114237frEADGBE1111328frEADGBExx2314
A7♭9
EADGBE11x23
5frEADGBE1114236frEADGBE11xx2311frEADGBE11x234
DMaj7
EADGBE111xx
2frEADGBE111x435frEADGBE1113247frEADGBE111xx4
G13
EADGBE321
3frEADGBE11x2343frEADGBE1113249frEADGBE222x14
A/E
EADGBEx234
2frEADGBE111x45frEADGBE1113427frEADGBEx1243
C♯aug7
EADGBEx4321
4frEADGBE11x4327frEADGBE431x29frEADGBE1x234x
Bm7/D
EADGBE111132
3frEADGBExx23147frEADGBE1111139frEADGBE11x423
E7♭9
EADGBE312
4frEADGBE11346frEADGBE11x23410frEADGBE3241xx
A69
EADGBE11x34
4frEADGBE1112346frEADGBE2222x111frEADGBE11x234

I Could Write a Book 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 A to F# (descending minor third), F# to B (ascending perfect fourth), B to E (ascending perfect fourth), E to E (ascending unison), E to B (descending perfect fourth), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to C (ascending minor third), C to D# (ascending minor third), D# to G# (ascending perfect fourth), G# to C# (ascending perfect fourth), C# to E (ascending minor third), E to G (ascending minor third), G to B (ascending major third), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to G (ascending perfect fourth), G to A (ascending whole step), A to C# (ascending major third), C# to B (descending whole step), B to E (ascending perfect fourth), E to A (ascending perfect fourth). 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 A to A 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 · 33 bars · Form: A

Chords: AMaj7, F♯m7, Bm7, E13, E7, Bm11, E7/D, A/C♯, Cdim7, D♯m7♭5, G♯7♭9, C♯m7, E/G♯, Gdim7, B7, Em7, A7♭9, DMaj7, G13, A/E, C♯aug7, Bm7/D, E7♭9, A69.

Scales for Improvisation A bebop, A bebop major.

Diatonic chords: See all chords in the key of A