This year’s power 30 list includes Def Jam (No. 1), Diddy (No. 2), the Cash Money/Young Money team (No. 3), Jay-Z (No. 4), and the Interscope duo of Dr. Dre and Jimmy Iovine (No. 5).That’s just one of the many categories that are highlighted in the issue that hit stands last week.Pick up a copy and see where your favorite artist executives blogs and more land in there respected categories.