An alias is an alternate name for an entity. They typically contain common mispellings or variations of the name and are also used to improve search results. View the alias documentation for more details.

Kantate, BWV 80 "Ein feste Burg ist unser Gott": VII. Duetto "Wie selig sind doch die, die Gott im Munde tragen" (catch-all for arrangements) has no aliases.