Like all musicians who tackle Project Song, Moby had two days to write and record a new song from scratch. He and his collaborator, singer Kelli Scarr, came in feeling nervous. But in six short hours, ...

Robert Plant and Suzi Dian performed songs from their recent Saving Grace album behind NPR's Tiny Desk, and it's impressive to see how they fit all of their instruments behind it. The pair were joined ...