About Vibrato

What this is

Vibrato arranges music theory by learning order rather than by textbook chapter. The vertical timeline on the home page is the whole map: it starts at the pulse, passes through note values, metres, scales and modes, and lands on chords and cadences.

Every lesson is written to be read in one sitting — between 8 and 22 minutes — and lists its prerequisites explicitly. You do not have to read in order, but reading in order never assumes something you have not met yet.

How the lessons are written

Each lesson has three parts: the explanation, broken into titled sections; one exercise you can do at an instrument or on a tabletop; and a single card that states the thing worth remembering. Every number in the prose can be checked against the figure — the stave excerpt or the fretboard diagram is the definition, not decoration.

Notation follows one convention throughout: scientific pitch notation (C4 is middle C), intervals counted in semitones, and chord symbols spelled the way jazz and pop musicians spell them (Cmaj7, Am7, G7sus4). Where two conventions genuinely coexist — the key-signature treatment of natural versus harmonic minor, for instance — both are given.

Publication rhythm

Lessons are released weekly, with the schedule already written out into next year. Lessons whose release date has not arrived are absent from the index and from the sitemap, so the catalogue you see is always everything you can actually read today.

Errata

If you find a notational error, a doubtful fingering or a sentence that does not parse, email [email protected] with the lesson URL and the passage. We check it, amend the page, and add a revision date at the foot of the lesson; fingering diagrams that are wrong get redrawn rather than patched.

Questions to [email protected].