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The problem it solves
Once you can build chords and resolve a V→I, the next step is to connect them so they sound like music rather than separate blocks. Voice leading and colour are the tools that make a progression breathe and have character.
Detailed theory
Key idea
Voice leading treats each note of a chord as an independent voice that moves the smallest, smoothest distance to the next chord.
Colour chooses richer chords (sevenths, extensions, suspensions) to add expression without breaking the connection between voices.
Understand it
A chord is not just a block of notes: it is a group of voices sounding at once. Voice leading looks at each of those voices as its own line and asks how it can reach the next chord with the least motion. When two voices share a note, we leave it still; the rest move by step to the nearest note. That way the progression stops jumping and starts to flow.
Colour is the other side of the branch: instead of always using three-note chords (triads), we add sevenths, ninths or suspensions that give a richer character. A seventh makes the chord more tense or more wistful; a suspension delays a note and creates expectation. Choosing the colour is choosing the flavour of a musical moment.
The two ideas work together: you can add all the colour you like, but if the voices jump around without order, the music sounds disconnected. And the other way round: flawless voice leading with colourless chords can sound correct but flat. The branch teaches you to combine both: voices that move smoothly and chords that have character.
Think of it as choreography: each dancer (voice) takes the smallest, smoothest step to their next position, instead of everyone leaping at once to the far side of the stage. The result is continuous, elegant motion; colour would be the costumes and lighting that give each scene personality.
This hub organises the concepts to come: basic voice leading, minimal movement, common tones and the colours of the seventh. They all answer the same underlying question: how do we make chords link up like living lines and with the character we want.
Staff & keyboard
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Voice leading in action: from C major (C-E-G) to F major (C-F-A), C stays and the other two voices move only by step (E→F, G→A).
How to recognise it
How it's written
Read a progression as horizontal lines, not as isolated columns: follow each voice from one chord to the next and notice which notes stay still and which move. On the staff or keyboard, trace the path of each voice in your mind.
How it feels
Listen to whether the move from one chord to the next sounds connected or cut off: when the voices move little and keep common tones, the connection sounds smooth and singable. Colour (a seventh, an extension) is heard as an added shade within that connection, not as an abrupt jump.
Common mistake
Seeing chords only as blocks of notes and jumping from position to position without following the path of each voice.
Thinking that adding colour (sevenths, extensions) already makes a progression sound good: without good voice leading, colour usually sounds disconnected.
Try it
Play I–IV–V–I in C major twice: first jumping freely between positions, then keeping the common tones and moving the rest to the nearest place. Hear how the second version flows more.
Add a seventh to the dominant (G7 instead of G) and notice how the colour changes without breaking the connection with the final C.
On the instrument
Chord progression
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The harmonic frame of the branch: I–IV–V–I in C major. From here we will study how to connect these chords with smooth voices and which colours to choose.
Where it's used
- Connecting progressions
- Linking the chords of a progression with voices that move little, so it sounds joined-up instead of separate blocks.
- Choosing the colour of the chords
- Adding sevenths, extensions or suspensions to give character to a musical moment without breaking the connection between voices.
- Arranging for several instruments
- Sharing the voices of a harmony among instruments or hands while keeping each line fluid and independent.
Examples
Chord progression
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The same I–IV–V–I progression with connected voices: hear how it sounds joined-up and singable when each voice takes the smallest step.
Mini test
Check that you've got it.
0/6 answeredQuestion 1/6
What does this voice-leading-and-colour branch combine?