The most common and most likely answer to this crossword clue is the 9 letter word LULLABIES
I've seen this crossword clue in The Guardian
L
U
L
L
A
B
I
E
S
More clues leading to the result LULLABIES
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LULLABIES mean?
LULLABIES noun- A cradlesong, a soothing song to calm children or lull them to sleep.
- To sing a lullaby to.