Spotify is prepping a new hotword for voice commands with "Hey Spotify" which may make searching for songs or artists easier.
How to Use Spotify's New Hey Spotify Voice Controls
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How to turn on and use Spotify Voice Controls. “Hey Spotify”
Voice control - Spotify
Solution] Google Assistant + Spotify : r/AndroidAuto
Hey Spotify' is another hands-free way to control your music, rolling out now - The Verge
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5 Things to Know About the New 'Hey Spotify' Feature — Spotify
How to Use Spotify Voice Commands