Which American rock band, formed in Tennessee in 1999, recieved a nomination in 2013 for best rock album at the 56th Gramy Awards?
Kings of Leon
Title: Kings of Leon
Passage: Kings of Leon is an American rock band that formed in Nashville, Tennessee, in 1999.  The band is composed of brothers Caleb Followill (b. January 14, 1982, lead vocals, rhythm guitar), Nathan Followill (b. June 26, 1979, drums, percussion, backing vocals) and Jared Followill (b. November 20, 1986, bass guitar, backing vocals), with their cousin Matthew Followill (b. September 10, 1984, lead guitar, backing vocals).
Title: Blunderbuss (album)
Passage: Blunderbuss is the debut album by Jack White, released on April 23, 2012 through White's own label Third Man Records in association with XL Recordings and Columbia Records.  The album was released in MP3, compact disc, and vinyl editions.  The album was almost entirely written, recorded, and produced by White in 2011.  The first single from the album, "Love Interruption", was released on January 30, 2012 through White's website and Third Man Records website.  The album debuted at number one on the "Billboard" 200 with first-week sales of 138,000 copies.  The album received Grammy Award nominations for Album of the Year and Best Rock Album at the 2013 Grammy Awards, while the single "Freedom at 21" was nominated for Best Rock Song.  The single "I'm Shakin" was nominated for Best Rock Performance at 2014 Grammy Awards.
Title: Mechanical Bull (album)
Passage: Mechanical Bull is the sixth studio album by American rock band Kings of Leon, released in Ireland, Germany, Sweden and Australia on September 20, 2013, in the United Kingdom on September 23, 2013, and in North America on September 24, 2013 by RCA Records.  In late 2013 the album received a nomination at the 56th Grammy Awards for Best Rock Album.
Kings of Leon Mechanical Bull (album)