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.”

The inspiring story of a talented young musician who would become one of the biggest pop stars around, and how he amassed his loyal fan base.

Justin Bieber is the teen idol of his generation - a young musician with the world at his feet. The transformation from small-town Canadian boy to international superstar happened almost overnight for recording artist Justin Bieber.

Marshal Bruce Mathers III, better know by his stage name Eminem and his alter ego Slim Shady, is an American rapper, record producer, songwriter, and actor. His somewhat humorous songs combined with dark and edgy lyrics give detailed accounts of his troubled upbringing, and feature all the personal struggles he went through on his journey to superstardom. Eminem recently released the much hyped and anticipated album The Marshall Mathers LP 2, a sequel to the recordbreaking and multi platinum album The Marshall Mathers LP. There is quite simply no other Hip Hop artist like Eminem, he has been on top of the game since his debut album The Slim Shady LP, and he shows no signs of letting up. This is the story of how a poor kid from Detroit rose to become a Hip Hop Legend. This is….A Shady Story.

Follow Justin's journey from a child star on "Star Search" and the "The All New Mickey Mouse Club," to the prominent lead singer and youngest member of the boy band 'N Sync, to launching his incredibly successful solo career. Singer, Songwriter, Actor, Record Producer, Dancer, Businessman, Movie Star, Philanthropist and now with his third album released there's no denying the powerhouse he's become.

The hallmarks of popular music - artist independence and diversity of voices - are threatened by a contracting marketplace of record companies, radio ownership and playlists, as well as increased use in advertising. Big-name artists, historians and economists explain how popular music is produced and marketed and critique its current state.