Chords as Function, Not Shapes

Summary

Chords are combinations of notes that work together to support melody and harmony. Instead of memorizing chord shapes, this guide focuses on what chords do in music. Learning chord function helps players understand how chords support direction, create tension and release, and connect with bass lines and melodic motion on guitar and bass.

Videos

What Chord Function Means

Chord function describes the role a chord plays in the musical context rather than how it looks on the fretboard. Chord function is about direction, support, and movement. For example, a chord may feel like it “wants” to move to another, or it may feel like a point of rest. These roles help shape harmony in music.

Function Versus Shape

Chord shapes on a bass or guitar fretboard are useful physical grips, but they don’t explain why chords move or how they support melody and harmony. Two identical shapes in different keys serve different functions. Understanding function helps players make better choices about which chords to use and why.

Hearing Function in Music

Listening for chord function means recognizing how harmony feels in the flow of music. Some chords feel stable, some build tension, and some lead toward resolution. Being able to hear these differences is a key part of musical awareness and deepens a player’s connection between hearing and playing.

Application on Bass and Guitar

On bass, chord function guides which chord tones or extensions to emphasize based on the role of the harmony. On guitar, understanding chord function informs voicing selection, movement between chords, and how to support melody with intention. In both cases, function guides decision making rather than rote memorization.

Lessons and References

• MusicTheory.net: Chord Functions
• Musicca: Introduction to Chords