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Match chords to a supplied melody

About 19 minutes · 4 reading + 15 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
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An original eight-bar melody arrangement with triads, a checked bass part, two voice-leading choices and a score or note-grid plus optional free notation playback.

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • Supply eight melody/chord/bass bars with explicit pitches, octaves and durations.
  • Construct major/minor triads and identify root/third/fifth.
  • Annotate strong-beat fit and intentional nonchord tones.
  • Compare two upper-voice options with movement/common-tone evidence.
  • Provide 100 word choice note and honest playback/export method.

Review and revise

Use these criteria to check your work and choose what to improve.

  • Harmony: triads/membership are correctly identified.
  • Parts: bass/register/duration are reproducible.
  • Comparison: alternatives have exact note evidence.
  • Scope: stylistic judgments and unperformed playback remain distinct.
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Before you begin

The idea in everyday life

The supplied eight-bar melody uses four quarter notes per bar in 4/4. Start with pitch-class membership and emphasize strong beats 1 and 3 for this simple exercise. A nonchord tone can be an intentional passing movement; mark it and explain the approach rather than deleting every tension. These are bounded arranging choices, not universal genre rules.

The idea

A melody tone can agree with a chord without every tone being a chord member.

Follow along

Match chords to a supplied melody — worked practice

A melody tone can agree with a chord without every tone being a chord member.

Original bar 4: A4, G4, F4, A4. F major F–A–C matches three notes(A, F, A); G is a nonchord passing tone between A and F. A minor A–C–E matches the two A tones but not G or F. In this simple comparison F fits both strong beats 1 and 3. Alternative chords can be artistically defensible, but they need a reason beyond matching a single note.

  1. 1. 2.1 Match

    Copy melody.csv or the fully supplied grid. Label beats 1–4 in each bar and ignore octave only for this first membership check.

    You should see: The four-beat structure is explicit.

  2. 2. 2.2 Match

    For bar 4 compare F major and A minor by marking each chord tone and each nonchord tone. Count matches separately from musical preference.

    You should see: F matches 3 and A minor 2 of the original four tones.

  3. 3. 2.3 Match

    Identify strong-beat matches in bar 4 and trace A–G–F as a descending line. Explain the middle G without claiming all nonchord notes are mistakes.

    You should see: The G is identified within the descending line.

  4. 4. 2.4 Match

    Change bar 4’s first A to E. Recheck membership/strong-beat tension and state why the earlier uncomplicated F fit needs reconsideration.

    You should see: The changed first E is not an F triad member.

Now change one thing

A new four-beat melody is C, E, G, C over F major (F, A, C). How many of those four melody entries are members of the supplied chord?

Your work

What to finish

A chord-tone comparison with nonchord-note annotations.

Common mistake

Watch for this

Using a raw match count as proof of the only acceptable musical answer.

How can I tell I understand it?

You can justify a candidate using actual notes and acknowledge intentional tension.

Try 3 questions

Quick knowledge check

Answer all 3 questions. Get at least 2 right and the lesson completes automatically.

Not yet passed

You’ll get an explanation for each answer. Signed in? Your results save to your account.

1In bar 4 A, G, F, A, which tone is outside F major?
2What does F’s 3-of-4 match count establish?
3The first A changes to E over F major. What new fact matters?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
2
Finish this lesson

Pass the check. We’ll save the progress.

Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.

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Sources and further reading

Explore the references behind this lesson.

University of Puget Sound: Introduction to Triads
Source & access notes · checked 2026-10-01

Read institutional primary teaching text on stacked thirds, root/third/fifth and triad qualities; all melodies/chord grids here original.

Access: Public page text or PDF was opened and read through the web reader on 2026-10-01; no signup required for reading.

Reuse: Linked for further study. All LifeStarter scenarios, samples, assets and assessments are original; no source exercises or artwork are copied.

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