If you were old enough to buy CDs in the ’90s, you may remember listening stations at superstores that featured music by some of nature’s noisiest creatures: birds. These CDs blended classical music ...

Forget the typical spa soundtracks, like rainstorms and crashing waves. The next time you want to relax, head to Spotify, look up key phrases like “birds in the forest,” and enjoy a cacophony of ...