Soothing sound (6)
I believe the answer is:
murmur
(Other definitions for murmur that I've seen before include "Speak in a low voice, whisper" , "Subdued complaint" , "Undertone" , "Quiet utterance" , "Little noise" .)
I believe the answer is:
murmur
(Other definitions for murmur that I've seen before include "Speak in a low voice, whisper" , "Subdued complaint" , "Undertone" , "Quiet utterance" , "Little noise" .)