The diverse nominees list was revealed at a special concert broadcast live from Nashville, Tennesee.
The nominations for Jay-Z and West, two of hip hop's most important figures, is a familiar refrain. Each has routinely been at or near the top of the nominations list for the last several years.
Indie pop band fun, a featured performer during the show, aired live from Nashville's Bridgestone Arena, rode the success of its anthemic hit 'We Are Young', featuring Janelle Monae, to sweep the major categories, earning nods for best new artist, song and record for 'We Are Young' and album of the year for 'Some Nights'.
"When you call your band fun. with a period at the end of the sentence, you set a high standard for yourself and for fun itself," Taylor Swift,(above) the host, said introducing them. "Fortunately, this band has lived up to the name."
R&B singer Ocean, whose mother was in attendance, made a bold social statement earlier this year when he noted he had a same-sex relationship in the liner notes of his new album 'channel ORANGE', and the Recording Academy rewarded him with nominations for best new artist; record, for 'Thinkin' 'Bout You'; and album of the year.
Folk-rock band Mumford & Sons, who made an auspicious debut in front of an international audience at the 2011 Grammys, are up for album of the year for 'Babel', one of 2012's best-selling releases.