From today’s vantage point, some of Folkways’ early, non-musical titles may seem like novelties, and perhaps many of them were at the time. But they also radiate an unmistakable spirit of possibility.

“I should have known given all the time I spent listening to frogs. I just thought of it as a relaxing way to be in nature,” Deichmann said. “Eventually I came to realize that these sounds are data, ...

All over the world, different types of frogs call out in various ways to warn others or attract mates Olivia Ferrari Different species of frogs call out in various ways, and they may sound like ...