Wow wow what a genius Max is.... Where modern pop would be without him honestly ?
The Britney songs end of 90's - early 2000's still sound so good compared to the other songs of that time that sound really dated.
I love his pop-rock stuff from 2004-2008 with Dr. Luke and the one very pop dance-electro from 2010-2011 as well.... And now, his stuff with Taylor is pretty great too....
And yeah, I agree that his songwriting partnership with Shellback works very well.
Anyway, great work, great video