Honestly you guys, who CARES if hes doing pop?
For one we all know that he wont COMPLETLEY abandon r&b, hes a smart man..
& We need to realize that POP was the past decades sound..
20s/30s Swing
30s/40s Doo-Wop
50s/60s Rock n Roll
50s 60s Motown/Soul
70s Disco
80s Metal
80s Euro-Pop
80s/90s Hip-Hop
90s/Early Millenium R&B Soul
Late 2000s-Dance Pop

Theres ALWAYS gonna be a new era where a SPECIFIC GENRE DOMINATES..
& why is everyone so negative about music in 2011?
I think its gonna be a HUGE comeback from 2010
This upcoming decade seems that it will be a mix of SOMEWHAT traditional hip hop, new wave pop & contemporary r&b..
I do have to say this though, nas said hip hop was dead..& rappers got their shit together and are now on the road to saving it..now SOMEONE needs to R&B is dead so itll light a fire under artists like Usher,Beyonce,Brandy,Mariah Carey,Monica,Ne-Yo,Chris Brown,Alicia Keys,John Legend,Trey Songz,Jazmine Sullivan,Dondria etc.. ESPECIALLY the MALE R&B SINGERS..Trey has been the only one holding it down[barely] and john legend needs to come back,neyo needs to get his shit together & chris/usher can EXPERIMENT but better not forget their roots..
Thats All..
I have high HOPES for musics future..
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Yess!! I agree 100% theres gonna be changes in the music industry & we have ot be prepared for it..like you said theres always a different ERA AND SOUND!