With the ability to transfer most Rock Band 1 songs for a small price of $5 and having DLC automatically compatible, GamingRing would say Harmonix covered their grounds pretty well with this sequel. Definitive would be too cliche, but it is quite a feat to offer this much quality in a short turnaround time (less than a year). If you are asking yourself if you should pay an extra $60 for more songs, STOP! The new Multiplayer options is a full step up from last year and with the inclusion of a wide ranged song list, it is well worth the retail price. And basically, it's still Rock Band and it's still fun!