Form
The Twelve-Bar Blues: Form, Chord Plan and Variations
Twelve bars of 4/4 in three four-bar phrases, moving through I, IV and V. The standard plan in C and F, the quick change, the turnaround and the minor blues.
Topic
Phrases, periods and large-scale designs: how a piece of music tells you where you are.
Form is how a piece tells you where you are. The articles here treat large-scale design as a tonal argument — what a section promises, what it withholds, and where it resolves — rather than as a diagram to be memorised.
Form
Twelve bars of 4/4 in three four-bar phrases, moving through I, IV and V. The standard plan in C and F, the quick change, the turnaround and the minor blues.
Form
Simple and rounded binary, ABA and da capo: the cadence plans that define each section and how dances grew into art forms.
Form
Rondo form alternates a returning refrain with contrasting episodes. Learn classical key plans, sonata-rondo hybrids, and why refrains return altered.
Form
How variation form works: the fixed theme, ornamental and character variations, and strategies from Haydn to Beethoven.
Form
Sonata form is a tonal argument, not a set of labelled boxes. What matters is which key you are in, and how the music gets home again.

The ebook
The site's working library as a structured ebook: intervals, keys, harmony, counterpoint, rhythm, form, tuning, orchestration and the history behind them.
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