Who composed Unforgettable?

Unforgettable was composed by Irving Gordon. It is a swing standard in 4/4 time. The original key is G; this page shows it transposed to D.

What key is Unforgettable in?

The original key of Unforgettable is G. The form is AB with 32 bars. This page shows the chart transposed to D.

What scales work for improvising over Unforgettable?

Recommended scales for Unforgettable in D: bebop, bebop major. Scales and arpeggios update in real-time as each chord plays, with context-aware analysis (e.g., Phrygian Dominant over secondary dominants).

How does the interactive backing track work?

The backing track plays with realistic walking bass, drum patterns, and voice-led chord voicings. Scales and arpeggios update in real-time as each chord plays. You can limit the fretboard zone for close-proximity voicings, toggle a reference melody, loop any section, and choose between multiple sound presets. Works for guitar, piano, bass, ukulele, and 7 more instruments.

Can I edit the chord chart?

Yes. You can modify the structure, chords, and arrangement of any standard to match your preferred version or create your own reharmonization.

Unforgettable in D

Irving Gordon()swingModerately

Do Re MiC D E

Section A

♬

Bm7♭5/b

Section B

G69

BPM: 120

Chord Diagrams — Unforgettable in D (Guitar)

Display

FingerNoteDegree

Chord Voicings Closest Voicing

Bm7♭5/b

G69

Unforgettable in D

D major is one of guitar's most resonant keys. The open D string acts as a droning root, and the open A string provides the fifth. This gives D-based strumming a wide, ringing quality that flatpicks and fingerpicks love. D is a beginner-level key on guitar because the open D and A strings provide a powerful bass foundation, and the open high E is the 2nd scale degree adding brightness. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

The bass line moves through D to D (ascending unison), D to D (ascending unison), D to G (ascending perfect fourth), G to G (ascending unison), G to E (descending minor third), E to B (descending perfect fourth), B to C (ascending half step), C to C (ascending unison), C to B (descending half step), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to G# (descending half step), G# to A (ascending half step), A to C (ascending minor third), C to A (descending minor third), A to D (ascending perfect fourth), D to G# (ascending tritone), G# to G (descending half step). A half-step bass movement creates a strong leading-tone pull that demands resolution. The mix of stepwise and leap motion balances smoothness with harmonic drive. When the progression loops, the bass returns from G to D by perfect fourth.

Scales for Improvisation

D 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, D Mixolydian adds the flat seventh for an authentic blues-rock edge.

swing4/4 · 32 bars · Form: AB

Chords: D, DMaj7, Ddim7, G, GMaj7, E9, Bm7, C6, Cm7, Bm7♭5/b, E7, A9, G♯7, A7, Cm, Am7, D7, G♯Maj7, G69.

Scales for Improvisation D bebop, D bebop major.

Diatonic chords: See all chords in the key of D