How many letters does the top answer for “composer of masquerade” have?

The most common answer is khachaturian (12 letters).

Crossword clue: composer of masquerade

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

khachaturian 12 letters wd-fact-v3

Russian composer (born in Armenia) whose works are romantic and reflect his interest in folk music (1903-1978)

composer of q18345138 50% similar → mccreary

composer of q19413951 50% similar → nimri

composer of q20856802 50% similar → gosling, hurwitz

composer of q49740 50% similar → raine

composer of q58045522 50% similar → fox