Which music streaming service first pioneered the use of 'personalized sound identities' that adapt their sonic logo based on individual user listening habits?

In the music industry, brand recognition extends beyond visual elements to include distinctive sound identities. Audio logos and sonic branding have become crucial elements for music streaming platforms, record labels, and music technology companies. These auditory signatures trigger instant brand recognition and emotional connections. Test your knowledge of this fascinating intersection between music business, consumer psychology, and brand recognition!

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Spotify, with its 2019 'Sound of You' adaptive audio signature
Pandora, with its 2018 'Sonic DNA' technology
Apple Music, with its 2020 'Audio Identity' program
TIDAL, with its 2017 'Signature Sound' branding initiative