Thanks for reaching out about this and welcome to the Community.
If you're unable to download your music, we'd recommend taking a look at this article for more info and useful tips.
Keep in mind that you can only download songs on 5 different devices. If you try to download music on a 6th device, the downloads from the device that hasn't been used in the longest amount of time will be automatically deleted.
If you have any other questions, don't hesitate to let us know.
Have a good one.
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"Music touches us emotionally, where words alone can't." -Henry Thoreau