In reply to Tino.

When I stated hardest working R&B artist, I didn't mean better then. Chris Brown often record a lot of tracks. Many of them unreleased which I sometimes come across...unaware of. He has a number of mixtapes also.

Basically he rarely take breaks. He is like the R&B version of Lil' Wayne in his prime, who often dropped new music, lol

Personally I do not believe he's better than Usher or MJ.

Usher & MJ can BOTH claim the titles "artist of their decade" based off Billboard & pure record sales.