Marcus Mumford of Mumford & Sons, winner of Album of the Year at the 2013 Grammy Awards. To date, the band's winning album, Babel, has sold 1,737,000 copies, according to Nielsen Soundscan. Jason Merritt/Getty Images hide caption

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A 16-inch lacquer disc, a format used in the 1930s, from the collection of the Library of Congress. Most of the lacquer, the part of the disc where the sound was etched, has been lost to decay. Abby Brack/Library of Congress hide caption

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Saving The Sounds Of America

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Donald Byrd onstage, in an image circulated by his record label at the time, Blue Note Records. Echoes/Redferns/Getty Images hide caption

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Remembering Donald Byrd, Jazz Trumpeter Who Spanned Generations

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Mumford & Sons (from left: Ben Lovett, Marcus Mumford, Ted Dwane and Winston Marshall) accept the award for album of the year at the Grammy Awards on Sunday night. Kevork Djansezian/Getty Images hide caption

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Mumford & Sons Take Home Album Of The Year Grammy

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Fiddler Bill Stepp in Kentucky's Magoffin County in the 1930s. Courtesy of Elsie Risner and Becky Arnett hide caption

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The Kentucky Fiddler Who Inspired Aaron Copland's 'Hoe-Down'

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Frank Ocean performs at the MTV Video Music Awards in September 2012. Kevin Mazur/WireImage hide caption

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Frank Ocean's Big Year, And What Hasn't Changed In Hip-Hop

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Producer and songwriter Jeff Bhasker is nominated for four Grammy Awards this weekend, including producer of the year, non-classical division. Ninelle Efremova/Courtesy of the artist hide caption

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Famous Behind The Scenes, A Hitmaker Covets The Spotlight

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Macklemore of Macklemore and Ryan Lewis performs in Park City, Utah. Barry Brecheisen/Invision for Park City Live/AP Images hide caption

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The Real Story Of How Macklemore Got 'Thrift Shop' To No. 1

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The late American conductor James DePreist. Wendy Leher/courtesy of the artist hide caption

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Dan Auerbach of The Black Keys performs in England last August. Along with five nominations for his band, Auerbach is nominated for Producer of the Year, Non-Classical division. Simone Joyner/Getty Images hide caption

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In A Diverse World, Grammy Sticks To Its Values

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Justin Bieber on stage in December. Bieber's 2012 album Believe, despite selling over 1,000,000 copies, wasn't nominated for a single Grammy Award. Michael Kovac/Getty Images hide caption

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Why Al Walser Got A Grammy Nomination And Justin Bieber Didn't

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Lena Hughes recorded one album of Southern parlor music before her death in 1998. Courtesy of the artist hide caption

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The 'Ancient Vibration' Of Parlor Music, Revived By Two Generations

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Reg Presley in Hamburg, circa 1965. Petra Niemeier — K & K/Redferns hide caption

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Reg Presley, The Voice Of 'Wild Thing,' Dies

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