Crossword clue: wrote violin concerto
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
a large mass of ice floating at sea; usually broken off of a polar glacier
tchaikovsky
11 letters
wd-fact-v3
important Russian composer whose works are noted for their expressive melodies (1840-1893)