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.
Symphony No. 3 in E-flat major, Op. 55 "Eroica" / Symphony No. 6 in F major, Op. 68 "Pastoral" / Symphony No. 7 in A major, Op. 92 / Symphony No. 2 in D major, Op. 36 has no aliases.