Answer:

OPUSES

Answer	Crossword Clue
OPUSES	Literary works
OPUSES	Catalogued musical works
OPUSES	Numbered compositions

OPUSES	Numbered works
OPUSES	Works
OPUSES	Some compositions
OPUSES	Catalogued compositions
OPUSES	Musical works
OPUSES	Musical compositions
OPUSES	Opera alternative?
OPUSES	Lengthy creative works

OPUSES	Creative works
OPUSES	Major works
OPUSES	Numbered musical works
OPUSES	Alternate for "opera"
OPUSES	Sonatas and such
OPUSES	Major musical works
OPUSES	Works for a conductor
OPUSES	Musical pieces

OPUSES	Grand works
OPUSES	Works with numbers
OPUSES	Works in a conservatory?

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.