Which music streaming platform first introduced 'Personalized Sound Identities' that change based on user listening habits, adapting their sonic logo to match genre preferences?

Test your knowledge about the impact of sonic branding in the music industry! Sonic branding - using distinctive sounds, jingles, or music to represent a brand - has become increasingly important in music streaming platforms and services. These audio signatures help companies stand out in a competitive industry where sound is already the primary product. How well do you know which platform pioneered certain sonic branding techniques?

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Spotify with its 'Adaptive Audio Brand' technology (2018)
Apple Music with 'Dynamic Signatures' feature (2016)
Tidal with 'Sonic Profile Integration' system (2019)
Amazon Music with 'Listener-Responsive Branding' (2017)