The most conclusive-sounding cadence, often found at the end of a piece, is a(n) a. deceptive cadence. b. plagal cadence. c. half cadence. d. authentic cadence.

The answer is option D.

Explanation:

Flawless bone fie rhythm (PAC): The harmonies are in root position; that is, the underlying foundations of the two harmonies are in the bass, and the tonic (indistinguishable pitch from base of the last harmony) is in the most noteworthy voice of the last harmony. An ideal rhythm is a movement from V to I in major keys, and V to I in minor keys.An blemished rhythm is any credential movement that closures on V. Three are especially normal and two of these include the relationship of an ideal fifth. The third in the precedent beneath is talked about alongside different movements that include the interim of a second.

12-bar blues chorus = a a b