The problem it solves
When you harmonise with seventh chords and extensions, the chord changes can sound choppy and clumsy if you let the voices leap. You need to know which notes must resolve and how to move each voice the least so the progression flows.
Detailed theory
Key idea
Resolve the tendency tones: the leading tone (7th degree) rises to the tonic and the chord seventh falls by step to the third of the next chord.
Keep the common tones still and move the remaining voices the minimal distance, watching the spacing (no big gaps between the upper voices).
Understand it
Voice leading studies how each individual voice moves when you change chord. At an advanced level you work with rich chords — sevenths, extensions, secondary dominants — but the goal is the same as in a four-voice chorale: each voice should move as little as possible so the whole sounds connected.
The key is the tendency tones. The leading tone (the 7th degree of the key) is a semitone from the tonic and wants to rise to it; the seventh of each chord is a dissonance that wants to fall by step. The golden rule: the leading tone rises to the tonic and the seventh falls to the third of the next chord.
Around these obliged resolutions, apply economy of motion: notes that two chords share stay put (common tones) and the remaining voices move to the nearest tone or semitone. This avoids needless leaps that break the independence and smoothness of the voices.
Think of it as a relay race where each runner hands the baton to the closest teammate: the seventh of one chord does not leap anywhere, it hands off, by a single step, to the third of the next. Chaining these hand-offs gives you a progression that glides.
In a ii7-V7-Imaj7 this mechanism is clear: the seventh of each chord falls by step to the third of the next, forming a chain of smooth resolutions that links the whole progression. You must also watch the spacing: avoid opening large gaps between the upper voices so the sonority stays compact and balanced.
Staff & keyboard
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The 7th→3rd resolution of V7→I: the seventh of G7 (F) falls a semitone to the third of Cmaj7 (E). F marked as tension and E as the third.
How to recognise it
How it's written
Look at the link between two chords voice by voice: find the leading tone and the seventh, and check that the leading tone rises a semitone to the tonic and the seventh falls by step to the third of the next chord. The notes that repeat between the two chords should stay in the same voice.
How it feels
Play a ii7-V7-I slowly and listen to how the tension of each seventh resolves by falling a step: the motion sounds joined, seamless, as if the voices held hands. If a voice leaps too far, the link breaks and you notice it at once.
Common mistake
Leaving the leading tone unresolved or making it fall: the leading tone wants to rise to the tonic, and not doing so leaves the progression hanging.
Leaping the voices instead of keeping common tones and moving each voice the least, or opening the spacing too far between the upper voices.
Try it
Play G7 and then Cmaj7 focusing on two voices: make the B (leading tone) rise to C and the F (seventh) fall to E. You will hear the smooth resolution.
Chain a ii7-V7-Imaj7 in C (Dm7-G7-Cmaj7) moving each voice the minimal distance and checking that each seventh falls to the third of the next.
On the instrument
Chord progression
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A ii7-V7-Imaj7 in C major with the voices led smoothly: each voice moves the minimal distance toward the next chord.
Where it's used
- Chorale writing
- Harmonising in four voices by resolving leading tones and sevenths as in a Bach-style chorale.
- Linking seventh chords
- Connecting rich chords (ii7-V7-Imaj7) with minimal motion of each voice so the progression flows.
- Arranging progressions
- Choosing close voicings and keeping common tones to avoid leaps that break the independence of the voices.
Examples
Example with rhythm
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The ii7-V7-Imaj7 chorale in C major played with the voices led smoothly: each chord is a four-note column (Dm7 → G7 → Cmaj7) and each voice moves the minimal distance to the next. Notice that C is a common tone between Dm7 and Cmaj7 and barely moves.
Example with rhythm
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The two tendency tones of the V7→I, isolated and coloured. Upper voice: the leading tone B rises a semitone to C (the tonic). Lower voice: the seventh of G7, the F, falls by step to E, the third of Cmaj7. These are the two obliged resolutions that make the cadence glide.
Generate a new example
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Generate fresh ii–V–I in any key to practise voice-leading with seventh chords. Press for a new one and hear how the voices connect smoothly.
Exercises
Identify seventh chords
Advanced progressions, dictation and analysis exercises.
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Mini test
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0/7 answeredQuestion 1/7
What is the main goal of advanced voice leading?