Imperfect Authentic Cadence
Definition
An Imperfect Authentic Cadence is similar to a Perfect Authentic Cadence but with one small difference - instead of ending on the tonic chord (I), it ends on another chord within the key, such as IV or vi.
Analogy
Think of an Imperfect Authentic Cadence like reaching your destination but stopping just short before fully settling in. You've arrived at your desired location, but there's still some unfinished business or loose ends to tie up.
Related terms
Plagal Cadence: As mentioned earlier, a Plagal Cadence also provides a sense of resolution but does so using different chords than both Perfect and Imperfect Authentic Cadences.
Deceptive Cadence: Just like with Perfect Authentic Cadences, an Imperfect Authentic Cadence can also be followed by a Deceptive Cadence, where the expected resolution is subverted.
Half Cadence: Similar to both Perfect and Imperfect Authentic Cadences, a Half Cadence can be used as a transitional phrase before reaching a more conclusive ending.
"Imperfect Authentic Cadence" appears in:
Additional resources (2)
Resources
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.