The content should be on your hard drive, but will remain invisible until you first play Rock Band 4. There is no visible way to confirm if your DLC has been installed to your console until you first launch Rock Band 4 on that console. There will be no update to notify you that this content has completed downloading.Once completed, you should see that where the 'Install' prompt used to be on this individual Add-On, it will now say 'Installed'. The download should automatically begin.If you purchased it previously, select 'Install'.

There will be a monetary value on an individual Add-On if you did not previously purchase the product.

Select the individual Add-On you want to download.

Navigate to 'Add-Ons' and select the ellipses (the big '.' at the bottom of the featured Add-Ons) to view all Add-Ons.

You will see multiple products for the title.

Navigate to the Xbox Live Marketplace titled 'Store'.Sign in to the Xbox Live Gamertag that you originally purchased your legacy Rock Band DLC on.Here's how to re-download your Rock Band DLC on Xbox One: This means you can't do batch downloads within the first-party stores. This is due to first-party (Microsoft and Sony) 'technical restrictions', developer Harmonix said in a post on its website. Depending on how many you need to re-download, that could take a lot of time. Here's the fiddly part: you have to re-download each DLC track individually in order to play the tracks in Rock Band 4. You can only re-download DLC for free within each console family, so Xbox 360 to Xbox One, and PlayStation 3 to PS4.

You can now re-download previously bought Rock Band DLC ahead of the launch of Rock Band 4 - but it's a bit fiddly.

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