Do Re MiC D E

Cool Blues

Charlie Parker(1949)4/4blues
C♯69
F♯13
C♯9♯11
C♯13
G♯13
C♯13

Chord Diagrams — Cool Blues in C# (Guitar)

Display
FingerNoteDegree
Starting fret
Open123456789101112
C♯69
EADGBE11x234
EADGBE11x432
8frEADGBE111234
10frEADGBExx2134
F♯13
EADGBE111234
EADGBE2314
7frEADGBEx4231
9frEADGBE111134
C♯9♯11
EADGBEx213
4frEADGBE111x23
8frEADGBE111234
9frEADGBE111123
F♯9
EADGBE111324
3frEADGBExx2143
8frEADGBE221334
11frEADGBE1111x2
Gdim
EADGBE31x42x
5frEADGBExx12x3
8frEADGBEx12x32
10frEADGBEx1243x
C♯13
EADGBEx4231
4frEADGBE111134
7frEADGBE222341
9frEADGBE111234
G♯13
EADGBE111432
4frEADGBE111324
4frEADGBE111234
10frEADGBE44x213
G♯7♯11
3frEADGBE2x341x
6frEADGBExx1234
10frEADGBE11x234
11frEADGBE111x23
C♯9
EADGBE221334
8frEADGBE3142xx
9frEADGBE111324
10frEADGBExx2143

Explore More

Cool Blues in C#

Key of C#

C# major (or Db) sits in barre chord territory across the fretboard. Every chord demands precise barring, but the payoff is a bright, crystalline sound a half step above C that cuts through a band mix. C# is a intermediate-advanced-level key on guitar because no open strings fall within the key naturally, so every chord requires full barre technique. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.

Voice Leading

The bass line moves through C# to F# (ascending perfect fourth), F# to C# (descending perfect fourth), C# to F# (ascending perfect fourth), F# to G (ascending half step), G to C# (ascending tritone), C# to G# (descending perfect fourth), G# to G# (ascending unison), G# to C# (ascending perfect fourth). 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 C# by unison.

Scales for Improvisation

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

blues4/4 · 12 bars · Form: A

Chords: C♯69, F♯13, C♯9♯11, F♯9, Gdim, C♯13, G♯13, G♯7♯11, C♯9.

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

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