Tiny Instrument · Content Pack

Core Theory

Core Theory fills in the essential building blocks that come after the keyboard basics: how music moves through time, how notes relate to each other as intervals, how chords are built and named, and how keys tie everything together. Four complete chapters, 19 lessons.

$2.99

One-time purchase · No subscription

Chapter 2 — Rhythm, Meter & Expression

How music moves through time — beat, duration, and dynamics

1

Beat & Pulse

The steady heartbeat of music

2

Note Durations

How long each note is held

3

Rests

Silence is part of the music

4

Time Signatures

How beats are grouped into measures

5

Dynamics & Expression

Playing soft, loud, and everything in between

Chapter 3 — Intervals

The distance between notes — the DNA of melody and harmony

1

Counting Half Steps

Measuring the distance between any two notes

2

Major & Minor Thirds

4 vs 3 half steps — bright vs dark

3

Perfect Intervals

Unison, fourth, fifth, octave

4

All Intervals Together

Naming any interval from seconds to octaves

5

Consonance & Dissonance

Which intervals sound stable vs tense

Chapter 5 — Chords

Building harmony by stacking intervals

1

Building Triads

Stacking thirds to make chords

2

Diminished & Augmented

Two small thirds or two large thirds

3

Chord Inversions

Same notes, different bottom note

4

Seventh Chords

Adding a fourth note for richer harmony

5

Playing Chords in Context

Hearing how chords relate in a key

Chapter 6 — Keys & Key Signatures

Understanding the home base of music

1

What is a Key?

A home base note and scale

2

Sharps & Flats in Key Signatures

How key signatures save you from writing accidentals

3

Identifying Keys

Figuring out what key a piece is in

4

Circle of Fifths

A map of all 12 keys

Play & Explore groups

  • Chords — explore chord shapes and voicings across all inversions
  • Technique — fingering exercises, thumb crossunder, and triad shapes
  • Jazz — jazz chord vocabulary and voicing exercises

Core Theory · $2.99

One-time purchase. Works on iPhone, iPad, and Mac.

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Core Theory | Tiny Instrument