https://www.playstation.com/en-us/games/rock-band-rivals-ps4/

The all-new Rock Band? Rivals Expansion Pack includes Rivals Mode, a new campaign and access to future feature updates, including Synchronous Online Multiplayer coming in December 2016.

©2016 Harmonix Music Systems, Inc. All rights reserved. Harmonix, Rock Band and all related titles and logos are trademarks of Harmonix Music Systems, Inc. Rock Band 4 developed by Harmonix Music Systems, Inc. Fender? and Jaguar? are the trademarks of Fender Musical Instruments Corporation. All other marks are the property of their respective owners.
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