Dictionary: Db Major Pentatonic Scale

The D-flat major pentatonic scale is convenient to use for improvising solos and composing melodies over a D-flat major chord progression, especially if you are unsure whether to use the Lydian, Ionian, or Mixolydian mode at any given moment.  It's almost foolproof in that manner.

Modes in C# / Db

For larger mode maps:
C# Mixolydian
C# Dorian
C# Aeolian
C# Phrygian
C# Locrian
Db Lydian
Db Ionian
Db Mixolydian

See also:
C# Minor Scale
Db Major Scale

Modes with 5 Flats

For larger mode maps:
Db Ionian
Eb Dorian
F Phrygian
Gb Lydian
Ab Mixolydian
Bb Aeolian
C Locrian

See also:
Db Major Scale
Bb Minor Scale

Dictionary: Db Chord

If you're looking for a simpler D-flat major guitar chord, check out this entry from May 2010.

Dictionary: C# Chord

If you're looking for a simpler C-sharp chord for guitar, check out this entry from August 2007.

Dictionary: C# Major Scale

With seven sharps, and containing the somewhat complicated notes E# and B#, you should avoid using the C# major scale.  You should use the enharmonic Db major scale instead.  In case you want to live dangerously, here it is:

Dictionary: Db Major Scale

From this five-flat scale, we can derive the modes Db Ionian, Eb Dorian, F Phrygian, Gb Lydian, Ab Mixolydian, Bb Aeolian, and C Locrian.  In the table below, the usual triads are to the left, and some adventurous chord choices are to the right:

Db	Bbm	Cdim	Dbaug
Gb	Ebm	Gbm	Ebdim
Ab	Fm	F	Adim

Two Scales + Two Chords / Four Chords for the #Fretboard (#Guitar)

Two Scales / Four Chords for the #Keyboard (#Piano, etc.)

Four #Chords / Two Chords and Two #Scales for #Guitar

Four #Chords / Two #Scales for #Keyboard (#Piano)

Four #Chords for #Guitar / #Keyboard

D-flat #Chord in Four Alternate Tunings / Seven #Modes with Six Flats

Four #Chords / Four G-flat Major #Scales for #Keyboard

Four #Chords in G-Sharp / Four Chords in G-Flat for Guitar

C# Blues Scale (Jam Session 108l with Guitar, Bass, and Drums)

Chords for Jam Session 108l:  C#sus2 C# A

    C#sus2 C# C#sus2 C# (two bars)             A (two bars) 

e |-4------4------------|--------------------|-5-------------------|
B |-4------6------------|--------------------|-5-------------------|
G |-6------6------------|--------------------|-6-------------------|
D |-6------6------------|--------------------|-7-------------------|
A |-4------4------------|--------------------|-7-------------------|
E |---------------------|--------------------|-5-------------------|

    C#sus2 C# C#sus2 C# (two bars)             A (two bars) 

G |---------------------|--------------------|---------------------|
D |--------6---------6--|--------------------|---------------------|
A |-4---------4---------|--------------------|-0------7--0------7--|
E |---------------------|--------------------|---------------------|

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Db Chord (Jam Session 108k with Guitar, Bass, and Drums)

Chords for Jam Session 108k:  Db Gb Db Ab

    Db                    Gb                   Db 

e |-9-------------------|-9------------------|-9-------------------|
B |-9-------------------|-11-----------------|-9-------------------|
G |-10------------------|-11-----------------|-10------------------|
D |-11------------------|-11-----------------|-11------------------|
A |-11------------------|-9------------------|-11------------------|
E |-9-------------------|--------------------|-9-------------------|

    Ab 

e |-11------------------|--------------------|---------------------|
B |-13------------------|--------------------|---------------------|
G |-13------------------|--------------------|---------------------|
D |-13------------------|--------------------|---------------------|
A |-11------------------|--------------------|---------------------|
E |---------------------|--------------------|---------------------|

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C# Chord (Jam Session 108j with Guitar, Bass, and Drums)

Chords for Jam Session 108j:  C# G#m B C# G#m F#

    C#                    G#m                  B (two bars of B) 

e |-4-------------------|-4------------------|-2-------------------|
B |-6-------------------|-4------------------|-4-------------------|
G |-6-------------------|-4------------------|-4-------------------|
D |-6-------------------|-6------------------|-4-------------------|
A |-4-------------------|-6------------------|-2-------------------|
E |---------------------|-4------------------|---------------------|

    C#                    G#m                  F# (two bars of F#) 

e |-4-------------------|-4------------------|-2-------------------|
B |-6-------------------|-4------------------|-2-------------------|
G |-6-------------------|-4------------------|-3-------------------|
D |-6-------------------|-6------------------|-4-------------------|
A |-4-------------------|-6------------------|-4-------------------|
E |---------------------|-4------------------|-2-------------------|

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Lesson #47: Power Chords in C# / Db (Guitar, Beginner)

Power chords in C# (seven sharps): C#5, D#5, E#5, F#5, G#5, A#5, and B#5.

Power chords in Db (five flats): Db5, Eb5, F5, Gb5, Ab5, Bb5, and C5.

Technically, the B#5 or C5 should have a diminished (flattened) fifth, but let's not let that get in the way of a potentially awesome power chord riff!

Obviously, we've mixed and matched both in the chord charts below, as both keys are enharmonic with the other:

Lesson #45: Seven Chords in C# (Guitar, Beginner)

Today's chords are C#, D#m (here as Ebm), E#m (here as Fm), E# (here as F), F#, G#, and A#m (here as Bbm):