They feature a wide swath of nature audio, from "Nature Sounds and Relaxing Classical Music" to "Forest Waterfall Sounds w/o Birds Singing" to "Forest Waterfall Sounds Birds Singing." SEE ALSO ...
Listening to the sounds of nature such as birdsong reduces ... the curative powers of a walk in the countryside or through a forest. In a study, 68 volunteers listened to three three-minute ...