--- title: Melody and Harmony url: https://doc.liz6.com/en/general-education/music-foundations/06-melody-and-harmony locale: en area: general-education tags: - General Education - Music Foundations - Music - Listening - General education - Music foundations date: 2026-09-10 modified: 2026-09-10 description: Hear how the same melody relates to different chords. --- # Melody and Harmony A singer repeats a line while the accompaniment changes. The tune is familiar, yet one note now seems more settled or more exposed. The singer may not have changed a single pitch. **A melody note takes on a role in relation to the harmony sounding with it.** We will hold a melody fixed, change its background, and then examine a note that briefly connects two chord tones. Allow ten to twelve minutes, with time to replay individual comparisons. ## Follow one note through three backgrounds Begin with **Melody alone** and remember the opening E. Next compare the C-major and A-minor backgrounds. Listen to that same E before you judge the entire phrase. Finally try F major. **One melody, three backgrounds** E4 G4 A4 G4 E4 D4 C4 C4 plays alone or over repeated C-, A-minor-, or F-major triads. Only the accompaniment changes. Over C–E–G, E is the chord’s third. Over A–C–E, E is its fifth. Its frequency has not changed; its relationship to the other notes has. The accompaniment is lower than the melody, so matching pitch classes can occur in different octaves. Over F–A–C, E is absent from the underlying triad. That does not make it a mistake. Together, F–A–C–E can form an F-major-seventh sonority. Whether we describe E as a melodic note over a triad or part of a larger chord depends on the musical context and the question we are asking. | Background triad | Role of the opening E | What stayed fixed | | --- | --- | --- | | C–E–G | Third | Melody pitches, timing, and tone | | A–C–E | Fifth | Melody pitches, timing, and tone | | F–A–C | Outside the triad; possible seventh of an expanded chord | Melody pitches, timing, and tone | The full phrase also contains other relationships. For example, its A is outside C–E–G but belongs to A–C–E and F–A–C. One opening note cannot explain every moment of the clip. Follow a second note on your next listen and see how its role differs. The faint lower marks in the diagram are the repeated chord layer; the stronger upper marks are the melody. Their simultaneous positions show which sounds overlap. If the dense picture is difficult to read, use the printed note sequences and compare the melody-only version again. ## An “outside” note can connect two “inside” notes A **chord tone** belongs to the chord being used as the harmonic reference. A **non-chord tone** does not belong to that reference chord. Those labels describe a relationship at a particular moment, not a permanent ranking of good and bad notes. In C–D–E over a C-major triad, C and E are chord tones. D lies between them and connects them by step. A brief D in that position is a straightforward example of a **passing tone**. Passing tones connect chord tones by step in the same direction. [Non-chord tones](https://musictheory.pugetsound.edu/mt21c/NonChordTonesIntroduction.html) Listen to the brief D, then the long D. Keep your attention on how long the middle pitch remains exposed before E arrives. **A note outside the triad: passing or lingering?** C–D–E over C major: D starts halfway through beat one. It lasts 0.28 seconds in the passing version or 0.9 seconds in the lingering version; E arrives on beat two or three. A new G–A–B example transfers the idea. In both C–D–E versions, D begins halfway through the first beat. The brief version lets E arrive on beat two. The lingering version lengthens D and delays E until beat three. The pitch order and underlying chord stay fixed; **duration and arrival time change together**. The longer D may attract more attention or create a stronger wish to continue. It still connects the same pitches by step. Its longer duration does not automatically turn it into a wrong note, nor does duration alone settle every analytical label. ## Check the role in a new example The model’s third choice plays G–A–B over G–B–D. Which melody note is outside the underlying triad? What connects it to the surrounding notes? Now imagine keeping the same G–A–B melody while the accompaniment changes to A–C–E. Would A still be outside that triad?
Read the answer and the change of reference Over **G–B–D**, A is outside the triad. It briefly connects G to B by ascending steps, corresponding to D in the C-major example. Over **A–C–E**, A is the root, so it is a chord tone. The label changes because the reference harmony changes. You must name or infer the harmony before deciding whether a melody note belongs to it.
Can every melody note be explained as a chord tone or passing tone? No. Neighbor notes, suspensions, anticipations, extensions, and other relationships need more context. Some music does not organize pitch around a succession of conventional triads at all. Our two labels provide a starting comparison, not a rule that melodies must hop between chord tones with only brief exceptions. Also, the same pitch can be analyzed differently depending on the harmonic timescale. A note outside a triad may belong to a seventh chord. Explain which background you are assuming before treating a label as definitive.
In your next song, find a repeated melodic phrase with a changing bass or accompaniment. Compare one sustained melody note across the repeats. A useful observation is “the note stayed the same, but the background changed,” followed by the particular relationship you can hear or verify. Next we will keep pitch relationships fixed and change the sound’s timbre and layers.