CROON

Sing softly (5)

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

• Quick crossword No 16,288 — 2022-07-20 23:00:32
  22A: Sing like Bing? (5)
• Quick crossword No 15,370 — 2019-08-11 23:00:57
  18D: Sing softly (5)