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

Richard Rodgers / Lorenz Hart(1939)swing
Do Re MiC D E
A
B
B/F♯
B/F♯
BMaj7/F♯
C♯7/G♯
F♯/A♯
G♯m7/F♯
G♯m7/F♯
D♯m9sus4
Fm7♭5/B
Fm7♭5/B
C♯/F
F♯Maj9
D♯m11/G♯
D♯m9sus4
G♯m11
F♯Maj7/C♯
C♯11

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

Display
FingerNoteDegree
F♯
EADGBE111342
4frEADGBE11x2436frEADGBE1114329frEADGBE111234
C♯
EADGBE11x432
4frEADGBE1112346frEADGBE1113249frEADGBE111342
B/F♯
EADGBE111234
4frEADGBE111xx47frEADGBE1113429frEADGBE11x243
BMaj7/F♯
EADGBE111324
4frEADGBE111xx47frEADGBE1114239frEADGBE11333x
C♯7/G♯
EADGBEx3241x
4frEADGBE111x346frEADGBE1114329frEADGBE111132
F♯/A♯
6frEADGBE111432
EADGBE1113424frEADGBE11x2439frEADGBE111234
A♯7
EADGBE111x34
6frEADGBE1111328frEADGBE11x32411frEADGBEx3241x
D♯aug
3frEADGBExx4231
4frEADGBE11x32x8frEADGBE11432x11frEADGBE1x423x
D♯7
EADGBExx1324
6frEADGBE111x348frEADGBE111xx211frEADGBE111132
D7♯11
EADGBExx123
4frEADGBE11x2347frEADGBEx31429frEADGBE111234
C♯9
EADGBE222221
8frEADGBE3142xx9frEADGBE11132410frEADGBExx2143
G♯m7/F♯
4frEADGBE111113
6frEADGBE11x4239frEADGBE11x23x11frEADGBE111132
Fm7
EADGBE111113
3frEADGBExx14238frEADGBE1111329frEADGBExx2314
D♯m9sus4
D♯m
EADGBExx1342
EADGBExx32416frEADGBE11134211frEADGBE111134
G♯
EADGBE11132x
4frEADGBE1113426frEADGBE11x2438frEADGBE111432
G♯m
4frEADGBE111134
6frEADGBExx13427frEADGBExx324111frEADGBE111342
C♯6
EADGBEx4231x
4frEADGBE3333x16frEADGBE1114239frEADGBE11x324
BMaj7
EADGBE111324
4frEADGBE111xx47frEADGBE1114239frEADGBE11333x
A♯m7
EADGBE111x32
EADGBExx23146frEADGBE1111138frEADGBE11x423
G♯m7
4frEADGBE111113
6frEADGBE11x4239frEADGBE11x23x11frEADGBE111132
C♯m7
4frEADGBE111x32
5frEADGBExx23149frEADGBE11111411frEADGBExx1423
C♯7
EADGBEx3241x
4frEADGBE111x346frEADGBE1114329frEADGBE111132
G♯m11
EADGBE111342
4frEADGBE1111146frEADGBE11xx239frEADGBE11x334
F♯6
EADGBE2x143x
EADGBE11x3244frEADGBE111x349frEADGBE3333x1
Fm7♭5/B
EADGBE1x23x
EADGBE222xx18frEADGBEx1324x11frEADGBE2134x
C♯/F
EADGBE11x432
4frEADGBE1112346frEADGBE1113249frEADGBE111342
F♯Maj9
D♯m11/G♯
EADGBE11xx34
4frEADGBE11x2349frEADGBE11134211frEADGBE111114
G♯7
EADGBE111xx2
4frEADGBE1111326frEADGBE11x32411frEADGBE111134
G♯m7♭5
EADGBExx13
EADGBE2x341x6frEADGBE222xx111frEADGBEx1324x
F♯Maj7/C♯
4frEADGBE11x333
EADGBE1114236frEADGBE111x439frEADGBE111324
B6
EADGBEx312x
EADGBE3333x17frEADGBE1x324x9frEADGBE11xx34
C♯11
EADGBEx213
4frEADGBE111x238frEADGBE1112349frEADGBE111123
Cm7♭5
EADGBEx1324x
4frEADGBE11xx248frEADGBE11123410frEADGBE333xx1

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

Key of F#

F# major pushes guitarists into full barre territory at fret 2 and beyond. No open chords exist naturally, but the key rewards advanced players with dark, powerful voicings. Common in metal and progressive rock where low tunings bring it closer to standard pitch. F# is a intermediate-advanced-level key on guitar because the open B string is the 4th scale degree and the open high E is the minor 7th, both usable as color tones. 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 B (descending whole step), B to B (ascending unison), B to C# (ascending whole step), C# to F# (ascending perfect fourth), F# to A# (ascending major third), A# to D# (ascending perfect fourth), D# to D# (ascending unison), D# to D (descending half step), D to C# (descending half step), C# to G# (descending perfect fourth), G# to F (descending minor third), F to D# (descending whole step), D# to D# (ascending unison), D# to G# (ascending perfect fourth), G# to G# (ascending unison), G# to C# (ascending perfect fourth), C# to B (descending whole step), B to A# (descending half step), A# to G# (descending whole step), G# to C# (ascending perfect fourth), C# to C# (ascending unison), C# to G# (descending perfect fourth), G# to F# (descending whole step), F# to F (descending half step), F to C# (descending major third), C# to F# (ascending perfect fourth), F# to D# (descending minor third), D# to G# (ascending perfect fourth), G# to G# (ascending unison), G# to F# (descending whole step), F# to B (ascending perfect fourth), B to C# (ascending whole step), C# to C (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 C to F# by tritone.

Scales for Improvisation

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

swing4/4 · 43 bars · Form: AB

Chords: F♯, C♯, B/F♯, BMaj7/F♯, C♯7/G♯, F♯/A♯, A♯7, D♯aug, D♯7, D7♯11, C♯9, G♯m7/F♯, Fm7, D♯m9sus4, D♯m, G♯, G♯m, C♯6, BMaj7, A♯m7, G♯m7, C♯m7, C♯7, G♯m11, F♯6, Fm7♭5/B, C♯/F, F♯Maj9, D♯m11/G♯, G♯7, G♯m7♭5, F♯Maj7/C♯, B6, C♯11, Cm7♭5.

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

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