Elton John and Ed Sheeran are pairing up for one of Grammy night's must-see performances.
Do you really care whether Mumford & Sons or fun. wins the Grammy for album of the year?
Probably not. The No. 1 reason to tune into "music's biggest night" is the live performances.
In 31/2 hours, fewer than a dozen trophies will be handed out but there will be more than 15 noteworthy performances. Grammys executive producer Ken Ehrlich always concocts some unexpected, and unforgettable, duets. ...