What does the cryptic crossword clue "Sections of musicals, the finest examples (10)" mean?

The wordplay uses a charade (building blocks). SHOW (synonym="SHOW") + PIECES (synonym="sections of musicals") = SHOWPIECES The answer is SHOWPIECES.

Sections of musicals, the finest examples (10)

Guardian Cryptic #29483 | 12 Down | 2024-09-09 flower