‘The leader of a band of music, an officer belonging to the court’ (Halliwell). Obsolete.

One who leads a choir or band of dancers, musicians, or singers. leader of praise (Scottish) = precentor, n.

Originally: a non-commissioned officer having command of the drummers of a regiment; (also) †the first or chief drummer in a regiment or other body…

transferred and figurative. The leader of a chorus, or of a choir; the leader of a band of any kind.

(a) see sense 7g; (b) the leader of a band; (c) one who represents an organization, etc., publicly; spec. a television presenter.

a well-known bandleader, esp. one after whose name forms part of the name of the band.