Summertime in A#

George Gershwin(1935)swingSlowly
Do Re MiC D E
A
B
C7/b
Fm6/c
C7/b
C7/b
Fm6/c
C7/b
C7/b
Fm6/c
C7/b
C7/b
A♯m7/g

Chord Diagrams — Summertime in A# (Guitar)

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FingerNoteDegree

Summertime in A#

Summertime in A# — Gershwin's minor blues hymn from Porgy and Bess. Dorian works over the static minor vamp; Harmonic Minor sharpens the V7 resolution; Aeolian adds natural melancholy. Changes: Fm6 – C7/b – Fm6/c – A#m – C# – C#Maj7 – Bdim – C – G7 – Cm6 – C7b5 – Fm – A#7 – G# – A# – A#m7/g – FmMaj7 – A#9 – Caug.

Summertime in A#

A# (Bb) major requires barre chords rooted at fret 1 on the A string or fret 6 on the E string. Despite the barre demands, it is a common key in funk, New Orleans R&B, and brass band music. The open D string can ring as the major third for added color. A# is a intermediate-level key on guitar because the open D string is the major 3rd of Bb, adding a bright color if allowed to ring. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.

Voice Leading

The bass line moves through F to C (descending perfect fourth), C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to C# (ascending minor third), C# to C# (ascending unison), C# to B (descending whole step), B to C (ascending half step), C to G (descending perfect fourth), G to C (ascending perfect fourth), C to C (ascending unison), C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to G# (descending whole step), G# to A# (ascending whole step), A# to A# (ascending unison), A# to F (descending perfect fourth), F to A# (ascending perfect fourth), A# to C (ascending whole step). 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 C to F by perfect fourth.

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 · 23 bars · Form: AB

Chords: Fm6, C7/b, Fm6/c, A♯m, C♯, C♯Maj7, Bdim, C, G7, Cm6, C7♭5, Fm, A♯7, G♯, A♯, A♯m7/g, FmMaj7, A♯9, Caug.

Scales for Improvisation A# dorian, A# aeolian, A# minor pentatonic, A# minor blues, A# harmonic minor, A# bebop minor, A# bebop.

Diatonic chords: See all chords in the key of A#