Because Etta James has been done before... Don't get us wrong, we love Etta James and Ed Sheeran in equal measures, and if there was ever a way for them to do a duet (you know, using technology) we'd be so down. It's just that, errrr, if we had a quid for every time we'd whooped and cheered the happy couple as they danced to "At Last" or "Perfect", we'd have enough cash to pay for Ed and Etta to perform live at our next wedding. Thankfully, a lot of couples have a song that t