Clockwise from upper left: Volcano Choir, Black Francis of Pixies, John Grant, Dessa Courtesy of the artists hide caption

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The Memphis pop band Big Star (composed at one point of, from left to right, Andy Hummel, Jody Stephens, Chris Bell and Alex Chilton) would eventually be acknowledged as a significant force among purveyors of power-pop — though not until years after the group's demise. Magnolia hide caption

itoggle caption Magnolia

Speedy Ortiz's new album, Major Arcana, comes out July 9. Shawn Brackbill/Courtesy of the artist hide caption

itoggle caption Shawn Brackbill/Courtesy of the artist

Clockwise from upper left: Jon Hopkins, Ebony Bones, Sigur Ros, Zola Jesus Courtesy of the artists hide caption

itoggle caption Courtesy of the artists

Daughn Gibson's new album, Me Moan, comes out July 9. Adam Wallacavage/Courtesy of the artist hide caption

itoggle caption Adam Wallacavage/Courtesy of the artist

Katie Crutchfield of Waxahatchee relaxes in the west Philadelphia house where her second album, Cerulean Salt, was recorded. Will Figg for NPR hide caption

itoggle caption Will Figg for NPR

Jimmy Eat World's new album, Damage, is its eighth in 20 years together. Left to right: Rick Burch, Zach Lind, Jim Adkins and Tom Linton. Michael Elins/Courtesy of the artist hide caption

itoggle caption Michael Elins/Courtesy of the artist

The Beatles pose in Liverpool's Derby Square in February 1963 — the year, according to author Colin Fleming, that yielded the band's most definitive work. Michael Ward/Getty Images hide caption

itoggle caption Michael Ward/Getty Images