Rostrum Records Signs Songstress Vali, Releases New Video “Polaroid” [Video]Rostrum Records Signs Songstress Vali, Releases New Video “Polaroid” [Video]The label home of Wiz Khalifa and Mac Miller expand their roster by adding Vali. Check out her new video, "Polaroid," produced by "Donald Trump" producer Sap...XXL StaffXXL Staff