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 ...

I’m not a bird watcher, but I’ve become a bird listener ever since downloading a bionic ear app to my phone. It lets me enter a different world, one where I’m surrounded not just by chirping but by ...

Part 1. 'I don't do calls' -- Crossing the sound barrier -- Tone and timpre -- Pitch and frequency -- Rhythm and timing -- Part 2. Put it all together and what have you got? -- Simple calls -- Simple ...