This is an alphabetically ordered list of sub-titles, nicknames and non-numeric titles that have been applied to classical music compositions of types that are normally identified only by some combination of number, key and catalogue number.
These types of compositions include: symphony, concerto, sonata, and standard chamber music combinations (strings trio, quartet, quintet, sextet, etc.
A sub-title is a subsidiary name given to a work by the composer, and considered part of its formal title, such as: A nickname is a name that is not part of the title given by the composer, but has come to be popularly associated with the work, such as: A non-numeric title is a formal title that departs from the usual sequential numbering of works of the same type, such as: Many classical compositions belong to a numbered series of works of a similar type by the same composer.
1", with the original title being relegated to a sub-title, although that was never Vaughan Williams's own intention or practice.
Symphonic poems, concert overtures, suites, variations, operas, ballets, most vocal and choral music, and miscellaneous other works are normally given titles that exclude numbers.