Unit+7


 * ANTECEDENT** (weak or open) **CONSEQUENT** (stronger or closed)

cadence is expected. (overlap or dovetail). material not heard in the original phrase. Phrase 1 ---I.A.C. Phrase 2 H.C. Phrase 3 --I.A.C. Phrase 4 ---P.A.C.
 * Asymmetrical** – a period in which the phrases differ in length.
 * Symmetrical** - a period in which the phrases are the same length.
 * Parallel** – a period in which the musical material is almost exactly the same.
 * Contrasting** – a period in which the phrases have differing musical material.
 * Modulating** – a period in which the Consequent phrase modulates.
 * Cadential extension** – the addition of musical material beyond the point at which a
 * Elision** – the cadence point of one phrase becomes the beginning of the next phrase
 * Interpolation** – the repetition of a phrase becomes longer by the insertion of new
 * Double Period** – phrase 1 and 3 are often identical or very similar.

H.C. or I.A.C (Transitional and Developmental functions),
 * Phrase group** – NOT a period structure. Groups of phrases that end with weak cadences

P.A.C. (Cadential function).
 * Cadential Phrase Group** (or Closing section) - groups of phrases that end primarily with