I Ain't Got Nobody in A#

Spencer Williams / Roger A. Graham(1915)swing
Do Re MiC D E
A

Chord Diagrams — I Ain't Got Nobody in A# (Guitar)

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I Ain't Got Nobody in A#

Key of 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 A# to A (descending half step), A to G# (descending half step), G# to G (descending half step), G to C (ascending perfect fourth), C to C (ascending unison), C to A# (descending whole step), A# to G (descending minor third), G to F (descending whole step), F to F (ascending unison), F to F (ascending unison), F to C (descending perfect fourth), C to D# (ascending minor third), D# to E (ascending half step), E to F (ascending half step), F to D# (descending whole step). A half-step bass movement creates a strong leading-tone pull that demands resolution. The predominantly stepwise bass motion creates smooth, connected voice leading. When the progression loops, the bass returns from D# to A# 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 · 33 bars · Form: A

Chords: A♯7, A7, G♯7, G7, C9, C7, A♯, Gm7, F7, Fdim, F, C6, D♯, Edim, Faug, D♯7.

Scales for Improvisation A# bebop, A# bebop major.

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