Hector "Hecdog" Perez credits Los Lobos' song "La Guacamaya" with turning him on to the Mexican folk style son jarocho, leading him to his Grammy nomination for Best Latin Rock, Urban or Alternative Album.

Michael Buble talks about his Best Traditional Pop Vocal Album Grammy win.

For the second year in a row, the Grammys are facing criticism for allowing a nominee in a field where some say he lacks credibility. Walser's inclusion along with better-known artists Avicii, Swedish House Mafia, Calvin Harris and Skrillex set off complaints about The Recording Academy's Grammy365 social media platform that allows members to lobby each other when it comes time to vote.

A closer look at 2013's six Record of the Year Grammy nominees.

A closer look at 2013's Song of the Year Grammy nominees.

Elton John and Mumford & Sons will hit the Grammys stage to pay tribute to Levon Helm.