Music Theory - The "Amen" Chords - What Is A Plagal Cadence?

The video explores the history and development of the Plagal Cadence, also known as the Amen Cadence. It explains how early Western classical music lacked harmonic cadences due to its monophonic nature. The Plagal Cadence became popular in the 19th century, particularly in Anglican hymns. The video details the structure of the Plagal Cadence, highlighting the movement from the four chord to the one chord, and discusses its ambiguity due to the absence of a leading tone. The video concludes with a call to action for viewers to support the channel.

Explain the movement from the fourth chord to the first chord in a Plagal Cadence.

What is the role of the leading tone in establishing the key in a cadence?

Discuss the ambiguity of the Plagal Cadence and its implications for composers.