Tetrad Chords / Seventh Chords - Music Theory with Guitar Shapes
What's a Tetrad ?
A basic chord is built with three notes this is what we call "triad chords" or "triads". Tetrad chords aka "four note-chords" are simply chords containing four notes, “tetra“ is a Greek root meaning four.
This means that tetrads are triads with an additional note, a major seventh or a minor seventh.
This article will enlighten you on how these tetrad chords are built and how they can be classified.
Tetrads are essentially seventh chords. Seventh chords are what happens when you stack one minor or major third on top of a triad. Common-practice music uses five types of tetrads (m7, Maj7, dom7, dim7 and half-dim7). You will find below the formulas and guitar shapes to play drop 2, drop 3 chords and drop 2-4 tetrad chords on guitar.
How to Play Tetrads on Guitar?
Major Seventh Chords
Formula is 1 - 3 - 5 - 7
(e.g. C major 7 : C-E-G-B)
Minor Seventh Chords
Formula is 1 - b3 - 5 -b7
(e.g. C minor 7 : C-Eb-G-Bb)
Dominant Seventh Chords
Formula is 1 - 3 - 5 - b7
(e.g. C7 : C-E-G-Bb)
Formula is 1 - b3 - b5 - b7
(e.g. Cm7b5 : C-Eb-Gb-Bb)
Formula 1 - b3 - b5 - b7
(e.g. Cdim7: C-Eb-Gb-A)
However, jazz uses all of the tetrads chords previously seen plus some others as :
Augmented Seventh Chords
Formula is 1 - 3 - #5 - b7
(e.g. Caug7 : C-E-G#-B)
Formula is 1 - b3 - b5 - 7
(e.g. CminMaj7 : C-Eb-G-B)
Augmented Major Seventh
Formula is 1 - 3 - #5 - 7
(e.g. CMaj7#5 : C-E-G#-B)
This guitar method is a printable PDF with tabs, diagrams, theory and audio files providing 40 minor II V I jazz licks.
This pdf method for guitar contains 40 II V I jazz guitar lines with tab, standard notation, analysis, scale charts and audio files.
This guitar method is a printable PDF eBook contains 50 exercises with audio files, analysis, tab & standard notation on how to play over II-V-I chord progressions using different kind of voicings.
This package contains 3 PDF methods for jazz guitarists with tabs, audio files, analysis about the II V I progression.
This package contains a guitar method available as a PDF with tabs, audio files and theory providing 40 dominant jazz guitar lines for teachers and students.
This printable guitar method in PDF format contains 40 easy minor jazz guitar lines based on the Dorian mode.
Printable PDF eBook method containing 40 major jazz guitar licks with tab, standard notation and audio files for beginners and intermediates.
This package contains 120 jazz guitar lines based on diatonic modes as Mixolydian, Dorian and Ionian. PDF format with tabs, audio files and analysis.
This jazz guitar method about walking bass lines and chords is available as a PDF files containing 35 exercises with tabs, analysis and audio files
This printable PDF method provides 101 dominant arpeggio exercises with tab, theory and standard notation for the jazz, blues and rock guitarist.
This printable eBook method in PDF format provides 49 jazz solo transcriptions of the greatest jazz musicians of all times with TABS, standard notation, audio files and analysis both for guitar teachers and students.
This PDF method contains 11 guitar lessons with chord studies, tabs, standard notation, analysis & audio files about the main blues progressions used in jazz music.
This PDF eBook method contains 25 altered jazz guitar licks with tabs, patterns, scale charts and audio files to master, apply and develop the altered scale.
This printable method is available as a PDF file containing 40 easy dominant jazz-blues guitar lines with tabs, standard notation, analysis, audio files and scale charts.
This jazz guitar method is an eBook available as a PDF with standard notation, guitar tabs, diagrams, analysis, audio files and backing tracks. You will find in this booklet 25 easy jazz guitar lines with theory using common and rare pentatonic scales.
You will find here an eBook available in PDF containing 25 soul jazz and hard bop guitar licks in the style of Grant Green, Melvin Sparks, George Benson. These jazz lines come with tabs, standard notation, guitar neck diagrams, backing track for practice and 25 audio files for each riff.
This eBook PDF with audio files contains 25 dominant diminished jazz guitar patterns using the half-whole diminished scale and diminished 7th arpeggios.
This Printable PDF eBook available for free download contains 6 easy jazz guitar licks with tabs/notation, youtube video link and analysis about the tritone substitution.