Musical works and exercises designed for practice with the aim of perfecting a facet of performing technique. For instrumental pieces designed for performance in order to exploit a facet of performing technique see Concert etudes.
Musical compositions that are intended to introduce a dramatic vocal work or spoken drama, and also for independent works with the word "overture" in the composer's title.
Instrumental pieces designed for performance in order to exploit a facet of performing technique. For musical works and exercises designed for practice with the aim of perfecting a facet of performing technique see Studies (Music).