I'm not really worried about Perra.
Gaga's videos outperform Katy's - and Youtube views play a significant role in chart positions now. Gaga dominates with digital sales too. All Katy had going for her was radio, tbh. It's not just a radio game anymore.
I think ARTPOP will surprise, while whatever Katy churns out with Dr. Luke will just be more of the same. And in the end that will pay off for Gaga.
Factually incorrect:
Teenage Dream Era Videos
California Gurls 137,761,000
Teenage Dream 128,019,226
Firework 376,383,112
E.T. 231,856,181
T.G.I.F. 220,950,354
The One That Got Away 179,079,254
Part Of Me 147,085,515
Wide Awake 169,560,729
Average: 198,836,921
Born This Way Era Videos
Born This Way 111,339,175
Judas 169,347,224
The Edge Of Glory 71,004,123
You and I 66,392,590
Marry the Night 52,789,035
Average: 94,174,429
So if anything the addition of youtube will boost Katy over Gaga even more thoroughly.
"What about The Fame/Monster era videos Waffles? Surely those will put Gaga over the top!"
Nope. Also did the calculations including all of TFM videos + BTW and Katy still comes out on top.