NESSUNDORMA

Aria from Puccini's opera Turandot (6,5)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,006 — 2021-08-24 23:00:03
  8D: Don's surname (anag) — aria from a Puccini opera (6,5)
• Quick crossword No 15,643 — 2020-06-25 23:00:33
  18A: Aria from Puccini's opera Turandot (6,5)