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

In today's saturated music industry, product marketing goes beyond album covers and music videos. One powerful strategy that has emerged is sonic branding - using distinctive sounds to create instant brand recognition. This poll tests your knowledge about how major music companies and platforms have leveraged sonic branding to create unforgettable customer experiences. Can you identify which famous sonic logo revolutionized the industry?

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Spotify, with algorithmic variations of their startup sound that reflect user genres
Apple Music, with dynamic tones that change based on most-played artists
Tidal, with high-fidelity sonic signatures customized to premium subscribers
Amazon Music, with Alexa-voiced welcome messages tailored to listening history