, '' the Black Keys ' `` Lonely Boy , The competition is tight in the major four categories at the Grammys . Taylor Swift , Fun . and CBS are expected to win top prizes . The Grammy Awards will air on Mumford & Sons year at 8 p.m . ET .
The competition is tight in the major four categories at the Grammys . Taylor Swift , Fun . and CBS are expected to win top prizes . The Grammy Awards will air on Mumford & Sons year at 8 p.m . ET .