Combination of pleasant sounds is called?

There isn't a single, universally accepted word for a combination of pleasant sounds. However, depending on the context and specific type of sounds, several terms can be used:

General terms:

* Harmony: This is the most common term used for a pleasing combination of sounds, especially in music.

* Euphony: This term emphasizes the pleasantness and smoothness of the sounds.

* Concord: This refers to a harmonious agreement between sounds.

* Sweetness: This term focuses on the pleasant, almost sugary quality of the sounds.

More specific terms:

* Consonance: This refers to the harmonious combination of notes in music.

* Melody: This refers to a sequence of notes that creates a pleasing tune.

* Ambient sound: This refers to background sounds that create a soothing or calming atmosphere.

* Nature sounds: This refers to the pleasant sounds of nature, like birdsong or the rustling of leaves.

The best term to use will depend on the specific situation and the type of sounds being combined.