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

The most common answer is ishiguro (8 letters).

Crossword clue: composer of the remains of the day

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

ishiguro 8 letters wd-fact-v3

author of the remains of the day 50% similar → ishiguro

composer of night and day 50% similar → porter

composer of the five days 50% similar → argento

wrote the remains of the day 50% similar → ishiguro