How many letters does the top answer for “director of music of the heart” have?

The most common answer is craven (6 letters).

Crossword clue: director of music of the heart

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

craven 6 letters wd-fact-v3

an abject coward

director of a heart in winter 50% similar → sautet

director of crimes of the heart 50% similar → beresford

director of kingdom hearts 50% similar → nomura