← Semester courseWeek 13 · Harmony

Progression, phrase models, and sequences

How does harmony create large-scale direction across more than one cadence?

3 class meetings150–180 minutesGrades 8–12 adaptablePrint: use browser print

Teacher orientation

This week asks: How does harmony create large-scale direction across more than one cadence? The three meetings move from shared experience to explicit theory and then transfer. Require students to predict before measuring or labeling; use performance and explanation together as evidence.

Misconceptions to anticipate

Every notated sonority is a new harmony; functional models prescribe one chord per category; sequence is random repetition.

Three-meeting sequence

Meeting 1 of 3 · 50–60 minutes

Harmonic rhythm

Learning target

Analyze harmonic rhythm

Launch · 5 min

Compare the same chord loop changing once per bar and twice per beat.

Teach · 12 min

Separate surface rhythm from harmonic rhythm; identify prolongation and structural changes.

Practice · 25 min

Students reduce a textured excerpt to a harmonic timeline and explain disputed change points.

Exit · 5 min

Where does harmony actually change in measure 3?

Assignment

Create two harmonic-rhythm versions of one phrase.

Meeting 2 of 3 · 50–60 minutes

T–PD–D–T

Learning target

Recognize common phrase models

Launch · 5 min

Map a phrase as departure, intensification, dominant arrival, and return.

Teach · 12 min

Use the phrase model as a flexible hearing tool, not a mandatory formula; connect cadence strength to form.

Practice · 25 min

Teams reorder chord cards into multiple functional phrases and perform each consequence.

Exit · 5 min

Which function is missing from the example, and what is the effect?

Assignment

Analyze two phrase models.

Meeting 3 of 3 · 50–60 minutes

Sequence and expansion

Learning target

Identify sequential harmonic patterns

Launch · 5 min

Trace a descending-fifths pattern by roots.

Teach · 12 min

Teach sequential model/copy, circle progressions, and expansion through repetition. Briefly introduce applied dominant sound.

Practice · 25 min

Students extend an eight-measure phrase to sixteen using one controlled sequence.

Exit · 5 min

Mark model and first copy in your sequence.

Assignment

Polish and annotate the progression composition.

Student synthesis task

Claim–evidence–application: Students submit one notated or analytical artifact from the week, a 150–250 word explanation using at least four vocabulary terms, and a brief performance, recording, or demonstration. The explanation must identify a decision, cite musical evidence, and connect the idea to unfamiliar material.

Assessment and answer guidance

PromptValue
1. What is harmonic rhythm?2 points
2. What does T–PD–D–T summarize?3 points
3. How is harmonic sequence recognized?3 points
4. Apply the week’s central idea to a new four-to-eight-measure example and explain the reasoning.7 points
Teacher answer guidance

1. The rate and pattern of structural chord changes.

2. A common functional phrase trajectory from stability through departure and tension to return.

3. A chord/voice-leading pattern repeats at successive pitch levels.

4. Award 2 points for accurate identification or construction, 2 for correct notation/terminology, 2 for evidence tied to the example, and 1 for a clear conclusion. Accept alternate solutions when the musical reasoning is defensible.

Access, differentiation, and extension

Support without lowering the target

Write bass roots and function on a separate timeline. Preteach vocabulary, model one complete think-aloud, reduce the number of simultaneous variables, and allow a second attempt after feedback.

Extension

Analyze a sequential passage with secondary dominants.

Evidence to retain

Keep the exit tickets, synthesis artifact, and scored application prompt. Together they show factual fluency, transfer, and the student’s ability to explain music—not only select an answer.