Plagal Cadence
Definition
A plagal cadence is a chord progression commonly used in hymns and religious music. It involves moving from the subdominant (IV) to tonic (I) chord, creating a peaceful and conclusive sound.
Analogy
Think of being at church and singing "Amen" at the end of a hymn. The comforting feeling you get from that final "Amen" is similar to how a plagal cadence brings closure and tranquility to music.
Related terms
Authentic Cadence: As mentioned earlier, an authentic cadence resolves from dominant (V) to tonic (I), while plagal cadences resolve from subdominant (IV) to tonic (I).
Half Cadence: Just like with deceptive cadences, half cadences also create an incomplete or suspended feeling by ending on the dominant chord (V).
Phrygian Cadence: This type of cadential progression involves moving from subdominant minor (iv) to tonic major or minor (i), often found in minor key compositions.
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