Which music streaming service underwent a controversial logo redesign in 2015 that changed from green to this distinctive color gradient?

Throughout music industry history, record labels and music streaming platforms have created some of the most recognizable logos in entertainment. These visual identities often tell a story about the brand's values and evolution over time. This trivia question focuses on a notable logo redesign that sparked significant consumer reaction and represented a major strategic shift for one of music's most influential platforms.

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Spotify (changed from green to a bright orange-red-purple gradient)
Apple Music (changed from red to a blue-purple gradient)
TIDAL (changed from blue to a yellow-orange gradient)
Pandora (changed from blue to a pink-purple gradient)