 Continuing now with our special countdown of the 40 top artists of the 1970s. Well, we've got the 13 biggest still to come. This is AT40. I'm Casey Kasem, and here we go. Number 13. Here's a recording act that won two Grammys this year. Best vocal performances by a group, one for pop, the other for R&B. The winning recordings were Neither One of Us and Midnight Train to Georgia. What else do I have to say?