I Didn't Know What Time It Was in D#

Richard Rodgers / Lorenz Hart(1939)swing
Do Re MiC D E
A
B
G♯/D♯
G♯/D♯
G♯Maj7/D♯
A♯7/F
D♯/G
Fm7/D♯
Fm7/D♯
Cm9sus4
Dm7♭5/G♯
Dm7♭5/G♯
A♯/D
D♯Maj9
Cm11/F
Cm9sus4
D♯Maj7/A♯
A♯11

Chord Diagrams — I Didn't Know What Time It Was in D# (Guitar)

Display
FingerNoteDegree
D♯
EADGBExx1243
3frEADGBE11x4326frEADGBE11x2348frEADGBE111xx4
A♯
EADGBE11x234
3frEADGBE11143x6frEADGBE1113428frEADGBE11x243
G♯/D♯
6frEADGBE11x243
EADGBE11132x4frEADGBE1113428frEADGBE111432
G♯Maj7/D♯
6frEADGBE11x333
4frEADGBE1114239frEADGBEx3241x11frEADGBE111324
A♯7/F
8frEADGBE11x324
EADGBE111x346frEADGBE11113211frEADGBEx3241x
D♯/G
EADGBExx1243
3frEADGBE11x4326frEADGBE11x2348frEADGBE111xx4
G7
EADGBE321
3frEADGBE1111325frEADGBE11x32410frEADGBE111134
Caug
EADGBE11x32x
3frEADGBEx1423x5frEADGBE11432x8frEADGBExx4231
C7
EADGBEx3241
3frEADGBE1111345frEADGBE111xx28frEADGBE111132
B7♯11
EADGBE11x234
EADGBE111x236frEADGBE2x341x9frEADGBExx1234
A♯9
EADGBEx1234
5frEADGBE11234x6frEADGBE11132412frEADGBE2222x1
Fm7/D♯
EADGBE111113
3frEADGBExx14238frEADGBE1111329frEADGBExx2314
Dm7
EADGBExx312
5frEADGBE1111326frEADGBExx231410frEADGBE111113
Cm9sus4
Cm
EADGBEx3214
3frEADGBE1113425frEADGBE1142xx8frEADGBE111134
F
EADGBE111342
3frEADGBE11x2435frEADGBE1114328frEADGBE111234
Fm
EADGBE111134
3frEADGBExx13428frEADGBE11134210frEADGBE1142xx
A♯6
EADGBE3333x1
5frEADGBE21346frEADGBE113x2410frEADGBEx4231x
G♯Maj7
4frEADGBE111423
6frEADGBE11x3339frEADGBEx3241x11frEADGBE111324
Gm7
3frEADGBE111113
5frEADGBE11x4238frEADGBE11x23410frEADGBE111132
Fm7
EADGBE111113
3frEADGBExx14238frEADGBE1111329frEADGBExx2314
A♯m7
EADGBE111x32
EADGBExx23146frEADGBE1111138frEADGBE11x423
A♯7
EADGBE111x34
6frEADGBE1111328frEADGBE11x32411frEADGBEx3241x
Fm11
EADGBE111114
EADGBE11xx236frEADGBE11x23411frEADGBE111342
D♯6
EADGBE11xx34
4frEADGBEx4231x6frEADGBE3333x110frEADGBE2x143x
Dm7♭5/G♯
EADGBE111xx
3frEADGBE11x3425frEADGBEx1324x8frEADGBEx1432
A♯/D
EADGBE11x234
3frEADGBE11143x6frEADGBE1113428frEADGBE11x243
D♯Maj9
Cm11/F
EADGBE11x234
EADGBE1111x26frEADGBE1113428frEADGBE111114
F7
EADGBE111132
3frEADGBE11x3248frEADGBE11113410frEADGBE111xx2
Fm7♭5
EADGBE1x23x
EADGBE222xx18frEADGBEx1324x11frEADGBE2134x
D♯Maj7/A♯
EADGBE11333x
3frEADGBE111x436frEADGBE1113248frEADGBE111xx4
G♯6
EADGBE1111x3
3frEADGBE2x143x6frEADGBE111x349frEADGBEx4231x
A♯11
EADGBE1111x3
4frEADGBE114238frEADGBE11112311frEADGBE11x324
Am7♭5
EADGBEx23x
4frEADGBE2x341x5frEADGBE1112347frEADGBE222xx1

I Didn't Know What Time It Was in D#

Key of D#

D# major (Eb) requires barre shapes rooted on the 6th and 5th strings. It is a favorite key for horn players, so guitarists encounter it in funk and soul bands. Using barre chords at frets 1, 3, and 6 covers the primary shapes. D# is a intermediate-advanced-level key on guitar because no standard open strings match this key's chord tones. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.

Voice Leading

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

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 · 43 bars · Form: AB

Chords: D♯, A♯, G♯/D♯, G♯Maj7/D♯, A♯7/F, D♯/G, G7, Caug, C7, B7♯11, A♯9, Fm7/D♯, Dm7, Cm9sus4, Cm, F, Fm, A♯6, G♯Maj7, Gm7, Fm7, A♯m7, A♯7, Fm11, D♯6, Dm7♭5/G♯, A♯/D, D♯Maj9, Cm11/F, F7, Fm7♭5, D♯Maj7/A♯, G♯6, A♯11, Am7♭5.

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

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