And here's another challenge for a soul artist in the 21st century: It's hard to top those great songs from the 1960s and '70s.

NPR: Leela James: New Soul From An Old Soul

Here's a responder to our e-mail challenge.

NPR: Could You Be the Great American Novelist?

It's going to be tough but I'm delighted to be here and really looking forward to a new challenge.

BBC: Robson relieved by Carlisle move