An introductory performance, preceding and preparing
for the principal matter; a preliminary part, movement, strain, etc.;
especially (Mus.), a strain introducing the theme or chief subject; a
movement introductory to a fugue, yet independent; – with recent
composers often synonymous with overture.

To play an introduction or prelude; to give a prefatory
performance; to serve as prelude.

To introduce with a previous performance; to play or
perform a prelude to; as, to prelude a concert with a lively air.

To serve as prelude to; to precede as introductory.