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Music theory, from zero

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01Understanding Sound and Pitch

Series overview
What is sound?
Sound waves
Frequency and pitch
Amplitude and loudness
Musical notes and note names
Musical alphabet
Semitones and whole tones
Octaves and frequency relationships
Harmonics and overtones
Fundamental frequency
Consonance and dissonance
Resonance
Timbre and tone colour

02Musical Note Relationships

Series overview
Intervals
Interval measurement
Interval quality
Major intervals
Minor intervals
Perfect intervals
Augmented intervals
Diminished intervals
Compound intervals
Interval inversion
Enharmonic equivalents
Interval spelling
Interval recognition by ear
Frequency ratios between intervals
Simple and compound interval relationships

03Scales and Tonal Organisation

04Musical Relationships and Melody

05Musical Notation

06Tuning and Pitch Systems

07Musical Listening and Ear Training

08Musical Forms and Structures

09Musical Texture and Counterpoint

10Performance and Musical Expression

11Indian and Other Musical Traditions

Music theory, from zero/Series 01

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Octaves and frequency relationships

Start here · EncyclopediaOctaveWikipediaRead ↗

BackupThe Octave: the Most Perfect of All Perfect Intervals · muted.io↗

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Series 01

Understanding Sound and Pitch

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