Harmonix has announced that users in North America have a PlayStation version 4 Rock Band 4 can import songs of the first chapter. This opportunity is currently available only for PS4 and we have no information regarding the arrival of service even in Europe. Harmonix has announced to be working to make it available as soon aspossible. Waiting to know more details about it, please note that through the following link you can find our review of Rock Band 4.
Release date: 13 October 2015