The 7susQuatch Chord – mDecks Music
Published: 2022-06-12
music theory
suspended chords
upper structure quartals
Explore the theory and voicings behind the B♭7sus♭5 “7susQuatch” chord, plus how to play it on piano and guitar.
A playful deep-dive that analyzes a recorded vocal, uses overtone theory to identify pitches, and builds an unusual B♭7sus♭5 (‘7susQuatch’) with upper structures. The lesson demonstrates full nine-note piano voicings, a practical six-string guitar voicing, and musical contexts where the chord works (like a blues ending). Clear audio examples and step-by-step demonstrations make the concept practical for players wanting new harmonic colors.
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