What is (a) The conclusion of a strain of music; cadence. (b) A double bar marking the end. At every close she made, the attending throng Replied, and bore the burden of the song. Dryden called?

close — (Mus.) (a) The conclusion of a strain of music; cadence. (b) A double bar marking the end. At every close she made, the attending throng Replied, and bore the burden of the song. Dryden. (Webster's 1913.)

Sources