Katy Perry's Roar on course to outsell Lady Gaga's Applause by double in first ...

Daily MailKaty Perry's Roar on course to outsell Lady Gaga's Applause by double in first ...Daily MailKaty Perry's Roar on course to outsell Lady Gaga's Applause by double in first week with almost 450,000 download sales. By Eddie Kim. PUBLISHED: 14:33 EST, 16 August 2013 | UPDATED: 16:04 EST, 16 August 2013. 130 shares. 36. View comments.