What does the cryptic crossword clue "Sextet with talent shows prospect of making it (9)" mean?

The wordplay uses a charade (building blocks). VI (synonym="6, sextet") + ABILITY (synonym="ABILITY") = VIABILITY The answer is VIABILITY.

Sextet with talent shows prospect of making it (9)

Guardian Cryptic #29644 | 17 Across | 2025-03-17 flower