w/Sheila E opening 30 years ago: Prince holds court at the Summit By J.R. Gonzales Photo: Steve Campbell, Houston Chronicle In the triumverate of '80s pop icons -- Madonna, Prince, Michael Jackson -- the Purple One holds a unique appeal that still crosses racial lines and music genres. Is it funk? Is it rock? Is it R&B? Who cares? That didn't matter to the thousands who saw Prince 30 years ago Saturday at the Summit. For six nights, he, the Revolution and opening act Sheila E. brought a…
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