murmursinging

noun
UK /ˈmɜːməˌsɪŋɪŋ/
US /ˈmɜːrmərˌsɪŋɪŋ/

A soft, quiet singing that sounds like a gentle whisper.

The mother's murmursinging lulled the baby to sleep.


OTHER MEANINGS

2. The low, continuous sound of a stream or wind that seems to sing.

The murmursinging of the brook followed us along the trail.

3. A style of group singing where voices blend into a soft, humming drone.

The choir's murmursinging filled the hall with a calm, warm sound.

4. The act of singing very quietly to oneself while thinking.

Lost in thought, she kept murmursinging the same tune under her breath.