In this guitar lesson you’ll learn how to utilize the diminished scale into a 1-4-5 blues pattern.  A diminished seventh chord table is provided below. 

Chord	Root	Minor Third	Diminished Fifth	Diminished Seventh
Cdim7	C	E♭	G♭	B (A)
C♯dim7	C♯	E	G	B♭
D♭dim7	D♭	F♭ (E)	A (G)	C (B♭)
Ddim7	D	F	A♭	C♭ (B)
D♯dim7	D♯	F♯	A	C
E♭dim7	E♭	G♭	B (A)	D (C)
Edim7	E	G	B♭	D♭
Fdim7	F	A♭	C♭ (B)	E (D)
F♯dim7	F♯	A	C	E♭
G♭dim7	G♭	B (A)	D (C)	F (E♭)
Gdim7	G	B♭	D♭	F♭ (E)
G♯dim7	G♯	B	D	F
A♭dim7	A♭	C♭ (B)	E (D)	G (F)
Adim7	A	C	E♭	G♭
A♯dim7	A♯	C♯	E	G
B♭dim7	B♭	D♭	F♭ (E)	A (G)
Bdim7	B	D	F	A♭