To get Legacy Rock Band DLCs on PlayStation, all you have to do is:
- Turn on your PS4 console
- Sign in to the PlayStation Network ID that you originally purchased your legacy Rock Band DLC on
- Navigate to the PlayStation Store
- Under Search, type in "Rock Band 4" and select the "Rock Band 4" Game
- Navigate to "Add-On" and Select "View All"
- From there, you can either filter the list to see ONLY "Free" Add-Ons, or sort price by "Low-to-High"
- You should see individual DLC tracks come up as "Purchased"
- Select the individual Add-On you want to download and select "Download"
- The download should automatically begin and be added to your PS4 Downloads
- Done! You will be able to play this content in Rock Band 4 once the game is loaded
- Turn on your Xbox One
- Sign in to the Xbox Live Gamertag that you originally purchased your legacy Rock Band DLC on
- Navigate to the Xbox Live Marketplace titled "Store"
- Select "Search", and look for "Rock Band 4"
- You will see multiple products for the title. Select the game "Rock Band 4"
- Navigate to "Add-Ons" and select the ellipses (the big "..." at the bottom of the featured Add-Ons) to view all Add-Ons
- Select the individual Add-On you want to download and select "Install"
- The download should automatically begin
- Done! You will be able to play this content in Rock Band 4 once the game is loaded
Harmonix