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Rhythm, intervals, chords, and keys — the foundations of music theory.

• Ch 2 — Rhythm, Meter & Expression
• Ch 3 — Intervals
• Ch 5 — Chords
• Ch 6 — Keys & Key Signatures
• Play & Explore — Chords, Technique & Jazz groups

Chord progressions, improvisation, modes, and advanced harmony.

• Ch 7 — Chord Progressions & Harmony
• Ch 8 — Improvisation
• Ch 9 — Modes
• Ch 10 — Advanced Harmony
• Play & Explore — Chords, Technique & Jazz groups

Advanced practice tools — every key, scale type, chord type, ear training level, and unlimited saved progressions.

• All keys and scales unlocked
• Unlimited saved chord progressions
• Advanced scale types — modes, pentatonics, jazz scales
• Advanced chord types and all inversions
• Advanced chord & scale practice configuration
• Advanced ear training — chords, modes, melodies

Build unlimited compositions in Compose mode — plus an unlimited Songbook and saved progressions — with guided piano roll lessons covering melody, structure, rhythm, and arrangement.

• Unlimited compositions (free tier: 5)
• Unlimited Songbook chord charts (free tier: 5)
• Unlimited saved chord progressions (free tier: 5)
• 5 composition chapters — 23 lessons
• Melody — motifs, contour, phrasing, tension, voice leading
• Song Structure — form, contrast, transitions
• Rhythm & Groove — patterns, syncopation, time feel
• Arranging — parts, voicing, texture, dynamics
• Motif Development — sequences, inversion, augmentation, fragmentation