Katy Perry - BBC Radio 1's Big Weekend 2014

As Taylor Swift’s record-breaking Eras Tour expands around the globe and onto the silver screen, CNN’s investigation into the copyright lawsuit brought by songwriters Sean Hall and Nathan Butler against Swift for her hit song “Shake it Off.”

She is one of the most influential artists of our time: Alecia Moore aka P!NK. She stands up for women's rights, queer rights and has used her songs to do so time and time again. And she has pushed the boundaries of the pop genre; rock, R&B, hip hop and electro beats - all styles of music can be found in her songs.

A documentary about Marcus and Martinus: Two twins from Trofors, Norway who became teen pop sensations.

Outstanding collection of clips from the 60's featuring the hollies at their very best. Re-Capture the raw young talent that exploded onto the 60's music scene to critical aclaim. By far the most underated band of the sixties.

Queen Poppy and Branch make a surprising discovery — there are other Troll worlds beyond their own, and their distinct differences create big clashes between these various tribes. When a mysterious threat puts all of the Trolls across the land in danger, Poppy, Branch, and their band of friends must embark on an epic quest to create harmony among the feuding Trolls to unite them against certain doom.

She became famous at a very young age and gradually slipped away, cultivating her legend and her mystery. Kate Bush, pioneering artist, is at the heart of a captivating documentary broadcast on Arte.

In the early 1970s, rubber was still king in Akron, Ohio. But just a few short years later, Akron's most important product was, ever so briefly, music. In the mid-1970s, a group of local bands took over an old rubber workers' hang-out in downtown Akron called The Crypt and created a mix of punk and art rock that came to be known as "the Akron Sound." And for a while, it was almost "the next big thing." Almost. It's Everything, and Then It's Gone, a Western Reserve PBS production written and directed by Phil Hoffman., takes viewers back to a time when the music really did mean everything. And for the men and women in these local bands, it was a way out of the factory.

More than two-dozen music-videos directed by filmmaker Mark Romanek (One-Hour Photo) are collected together in this compilation from Palm Pictures. Among the songs featured in The Work of Director Mark Romanek are "Novocaine for the Soul" by Eels, "99 Problems" by Jay-Z, and "Hurt" by Johnny Cash.

This release featured the boy band O-Town performing a half-dozen songs. In addition to live versions of "All or Nothing," "We Fit Together," and "From the Damage," the music video for "These are the Days," has also been included. The DVD release offers interviews with the band members.

Taken in one concentrated best-of dose, it becomes evident what a coup The B-52's pulled off when they turned their own concentrated craziness into genuine hits. This is some of the weirdest stuff ever to make the charts, much less beloved by the masses. It's all here through the mad surf guitar of Ricky Wilson (and later Keith Strickland), the banshee wails of Cindy Wilson and Kate Pierson, and, of course, the, um, well, let's say vocalizing of freaky Fred Schneider. "Party out of Bounds" with a "Rock Lobster" on "Planet Claire," or "Roam" over to the "Love Shack" in "Private Idaho." Whatever you do in The B-52's universe will at least be good, clean, perverse fun

Legendary documentary of the 1977 package tour arranged by David Robinson and Andrew Jakeman ("Kake Riviera") after they founded Stiff Records in London, England for five of their artists, and the bands that they concocted for the tour.