Not to sound bitter or anything, but I hope he fails miserably. It looks like he's already made some pretty dumb moves. Him and Jay-Z sold their 50% stake in Roc-A-Fella for only $10 million. Jay-Z alone has sold over 20 million records in the last 10 years. I'm sure the other 30 or so artists signed to that label, combined, sold another million or so records. Talk about the motherfucking deal of the century!
So now Jay-Z's the president of Def Jam records, has a decent roster of artists and complete control over the Roc-A-Fella name and label. Meanwhile, your boy Dame is back in another one of these joint venture deals like he was before (the modestly titled Damon Dash Music Group), but this time with a much shittier roster of artists so far: Nicole Wray, Rell, N.O.R.E, and the ODB, who's not even alive anymore.
On the other hand, I'm assuming Dame will retain control of his rapidly growing empire of allegedly profitable side ventures. Who knows, maybe America magazine will have a really big year.