High Quality Content by WIKIPEDIA articles! 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 (string strio, quartet, quintet, sextet, etc.; piano trio, quartet, quintet, sextet, etc.), among others.