Blues Scale

Introduction

Hi everybody,for this section,I want to tell u about blues scale.Actually,blues scale come from pentatonic scale.Pentatonic has minor and major as its mode.Pentatonic have 5 note in one octave,discuss earlier.One note is added to pentatonic scale to become blues scale,there are 6 notes total in blues scale.Look diagram below.

Pentatonic scale

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Blues scale

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Red dot represent blues note is added after 3^rd note in pentatonic scale.4^th note is replaced by blues note,and 4^th note become 5^th note,while 5^th note become 6^th note in pentatonic scale.Thus new scale is called ‘Blues scale’.In this scale above has 2 octave,thus also have 2 blues notes in blues scale.Blues scale can also called hexatonic scale.Examples Am pentatonic scales “

A Pentatonic minor : A,C,D,E,G

A Blues : A,C,D,Eb,E,G

Modes of Blues Scale

Besides the original blues scale pattern which start with a root note.Blues also have its distinctive modes pattern different from original but same in note.The different is modes start with root other than original note.Examples,A blues scale ; A,C,D,E,Eb,G.This is blues scale original that start start with ‘A’ note as root.We can also start with other 5 notes in the scale,C,D,E,Eb, or G.So,resulting in new scale called ‘modes’.In blues,there are 6 notes,therefore,it has also 6 modes including one original blues scale.

Diagram show 6 modes in Am blues scale

Modes/scale	Notes involve	Root(starting note)
Blues	A,C,D,E,Eb,G	A
Mode 1	C,D,E,Eb,G,A	C
Mode 2	D,E,Eb,G,A,C	D
Mode 3	E,Eb,G,A,C,D	E
Mode 4	Eb,G,A,C,D,E	Eb
Mode 5	G,A,C,D,E,Eb	G