Theory
13 terms
Variations
Variations are a form in which a theme passes through a series of transformations, changing rhythm, harmony, texture, and key.
Exposition
The exposition is the first section of sonata form, where the principal themes are presented.
Coda
A coda is the closing section of a musical work that follows the main structure.
Leitmotif
A leitmotif is a musical theme-symbol that recurs throughout a work, marking a particular character, object, or idea.
Motif
A motif is the smallest expressive musical unit — the “brick” of a melody.
Ostinato
An ostinato is the persistent, repeated statement of a melodic or rhythmic figure.
Passacaglia
A passacaglia is an old form of variations over an unchanging bass theme (basso ostinato), usually of a solemn, dignified character.
Recapitulation
The recapitulation is the third section of sonata form, where the exposition's themes return — now all in the home key.
Development
The development is the central section of sonata form, where the composer transforms the exposition's themes through various keys.
Rondo
Rondo is a musical form in which a main theme (refrain) returns several times, alternating with contrasting episodes.
