MUSIC THEORY
Notes & Intervals
From the piano keyboard to interval names: learn the distances, spellings and patterns that connect notes.
Piano keyboard and note names
Learn how white keys, black keys and octaves relate to note names.
What is an interval? Distance and number
Count semitones and letter names to describe the distance between notes.
Interval qualities: major, minor, perfect and altered
See why the same interval number can have different widths.
Twelve intervals across twelve starting notes
Map the twelve distances from every key and understand the 144 relationships.
Interval Focus: Seconds
Distinguish one-semitone and two-semitone seconds.
Interval Focus: Thirds
Compare minor and major thirds from the same root.
Interval Focus: Fourths
Compare a perfect fourth and an augmented fourth.
Interval Focus: Fifths
Use the perfect fifth to locate diminished and augmented fifths.
Interval Focus: Sixths
Locate minor and major sixths eight and nine semitones above a root.
Interval Focus: Sevenths
Find sevenths by stepping back from the octave.
Interval Focus: Tritone
Understand the six-semitone distance and its two spellings.