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With Spotify Premium, you can download your favorite songs, albums, playlists, and podcasts, so you can listen to them without an internet connection. Take a look at this support site article to find out how to download your favorite music with Spotify on your device.
As a heads-up, the cover art of your downloaded songs will be displayed while you play them depending on the space available in the cache on your device after the 'audio-component' of each song is stored there.
Hope you'll find this info useful. Let us know if there's anything else we can help with!
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