Thank you for listening. We revisited three chords on our keyboard using yellow, blue and green colors on today’s podcast. Please see the podcast notes below:
A CMajor Blues Progression – YELLOW/BLUE/GREEN will be used for C Chord/F Chord/G Chord in that color coded order for each chord.

YELLOW YELLOW YELLOW YELLOW/BLUE BLUE/YELLOW YELLOW/GREEN/BLUE/YELLOW YELLOW
CCCC/FF/CC/G/F/CC
I I I I/IV IV/I I/V/IV/I I
“Early jazz melodies were harmonized with simple three-tone chords in the background, known as triads. The blues continued to use this type of chord, organizing triads into the 12-measure blues progression. The early Ragtime performers such as Scott Joplin added new interest and complexity by interchanging major and minor chords in their playing. Jazz players read chord symbols, a musical shorthand that includes the name of a chord and the extended tones. These chord symbols tell the improviser which scales and chord tones can be used for creating an improv.”
Source: Blues and Jazz Complete! by Dr. Bert Konowitz