Cadences

Question 1

Define: Perfect Authentic Cadence (PAC)

Answer 1

V - I (or V7 - 1); both chords in root position, with scale degree 1 in the soprano voice of the concluding tonic chord

Most final sounding of all the cadences

Question 2

Define: Imperfect Authentic Cadence (IAC)

Answer 2

V - 1 (or V7 - 1); both chords in root position, with scale degrees 3 or 5 in the soprano voice of the concluding tonic chord

Not as final sounding as the PAC

Question 3

Define: Half Cadence

Answer 3

? - V (final V is in root position)

An unstable cadence; Inconclusive, incomplete or progressive sounding