Don't forget --
*Have more than one significant form, e.g., symphon? = finds symphony, symphonie, symphonien, symphonic, symphonies.
*Have alternative spellings (type as much as you KNOW is correct!)., e.g. Stravinsky or Stravinski
Composer’s [full] name:
Also, remember to consider alternate spellings for names that are derived from a language that uses a non-Roman alphabet, ex. Russian, Hebrew, Chinese, etc.
Title of the work in its original language
For example: Jeux d'eau (Fountains) / Ravel; Kinderszenen (Scenes from Childhood) / R. Schumann.
Alternative titles or nicknames
For example: "Moonlight Sonata"/"Mondschein-sonate" (Piano Sonata no. 14 in C-sharp Minor, op. 27, no. 2) / Beethoven
You can find more info in A Dictionary of Music Titles by Adrian Room (REF ML 102 .T58 R6 2000). N.B., Searching only by a work's nickname may cause you to not find certain things. Not all publishers of scores or recordings use nicknames in the titles they provide.
Name of larger work from which piece comes (if applicable).
For example, a particular movement, such as "Clair de lune" ("Moonlight") from Suite bergamasque by Debussy.
Nationality of the composer. This can help determine the language of your search terms.
For example: piano = Klavier (German) = clavier (French, technically, "keyboard") = pianoforte (Italian) or sonata = Sonate (German) = sonate (French) = sonata (Italian) N.B. Klaviersonate (sing) and Klaviersonaten (pl.) are compound words in German
**For more info, consult: International Vocabulary of Music by Stephen Dembski et al (REF 108 .I49 1984)
Numbers associated with the work, such as sequence, opus, or thematic catalog numbers. Examples of some common thematic catalog numbers include:
**You can often find thematic catalog numbers using the Butler Libraries' catalog or the "works" section at the end of composer entries in The New Grove Dictionary
Instrumentation (or original instrumentation of work).
Score format that you desire.
For example: full score or conductor's score, mini-score, vocal score, piano reduction