Beyond Basic Chords: How Jazz Adds Color to the Blues
In short: Standard chords often feel flat in a jazz context. To move from basic strumming to sophisticated fingerstyle, musicians use complex voicings that add specific colors—like sharp 9ths and 13ths—to create a richer harmonic landscape while maintaining the underlying structure of a blues progression.
The transition from standard guitar playing to jazz fingerstyle involves moving beyond simple triads into complex chords. A primary method for achieving this is by taking a basic dominant 7 chord, such as G7, and adding specific notes to create a G13 voicing. This allows the player to maintain the root note while introducing extra tonal colors.
Jazz theory often relies on Roman numerals to map out progressions. In a blues in the key of G, for example, the 'four' chord is found by counting four notes up from G to reach C. By using a C9 instead of a standard C major, and alternating it with a G13, players create a more sophisticated movement than a basic 1-4 progression. Advanced jazz voicings frequently incorporate alterations like the sharp 9th and sharp 5th. For instance, an E7 chord can be transformed into an E7 sharp 9, sharp 5 by playing specific notes like G natural and C natural alongside the primary tones. These 'tension' notes are what give jazz its signature sound.
To navigate a standard 12-bar blues form, players use a sequence of these complex chords: starting with the 1 (G13), moving to the 4 (C9), then back to the 1. The progression can also incorporate the 'two' chord—an A minor 7 in this key—and the 'five' chord, such as a D7 sharp 9. Techniques like the 'four-on-the-floor' Freddie Green style are used to mark these changes clearly.
The physical execution on fingerstyle guitar requires specific finger placements. For a G13, a player might place their second finger on the fourth string (third fret) and third finger on the third string (fourth fret), while using the pinky to grab two notes simultaneously—an E and an A—to complete the voicing.
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Sources
- Summary by Intellect · source: How to Play Jazz Chords | Fingerstyle Guitar
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