Thom Yorke of Radiohead and Atoms for Peace is one of many musicians concerned with Spotify's small royalty payments. isifa/Getty Images hide caption

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Detail of the cover art from Ultraísta, the debut album from Nigel Godrich's new trio. Courtesy of the artist hide caption

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Jonny Greenwood is responsible for the score of The Master and There Will Be Blood. S. Katan/Courtesy of the artist hide caption

itoggle caption S. Katan/Courtesy of the artist