The Theory Behind Diminished 7th Chords: Part 1

ByTrey Wright November 24, 2025December 2, 2025

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Kennesaw State University professor Trey Wright introduces Diminished 7th chords – part 1.

In addition to explaining the theory behind diminished harmony, Trey Wright will demonstrate 6th and 5th string voicings for diminished 7th chords and common applications.”

Trey Wright

Trey Wright is an Atlanta based jazz guitarist and professor of music at Kennesaw State University. In addition to his duo with vocalist Laura Coyle, Trey regularly performs with the Trey Wright Trio, the Hibbard/Wright project and the Georgia Symphony Jazz Orchestra (GSO Jazz!). Trey’s original compositions have been featured on Sirius Radio, NPR’s All Things Considered and as part of Delta Studio, Delta Airlines In Flight Entertainment. In early 2019, Trey will release his latest album Begin Again on Blue Canoe Records.