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

The most common answer is goulding (8 letters).

Crossword clue: composer of lights

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

goulding 8 letters wd-fact-v3

United States financier who gained control of the Erie Canal and who caused a financial panic in 1869 when he attempted

composer of strobe lights 67% similar → sebastian

composer of and then there was light 50% similar → iosseliani

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