Hello,
With an Amazon Music Unlimited Single Device plan, you have access to tens of millions of songs on one Echo device or Fire TV. You can also listen to playlists curated by Amazon's music experts and ad-free, personalized streaming stations.
Use your voice or the Alexa app to manage music playback on a single Echo device. To begin your subscription, just say, "Sign up for Amazon Music Unlimited." To begin your subscription from your Fire TV, visit the Settings page of the Amazon Music app and select sign up for Amazon Music Unlimited.
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