What does the cryptic crossword clue "Britten speciality accepted by Europe? Radical (5)" mean?

The definition is "Britten speciality". The wordplay uses a hidden word. Hidden (‘accepted’) in EurOPE RAdical The answer is OPERA.

Britten speciality accepted by Europe? Radical (5)

Independent Cryptic #11774 | 24 Across | 2024-07-05 flower