It starts off with someone playing piano on the full-size iPad, then someone else joining in on an iPad mini, both on Garageband.
"It's very cool," he says.
The performance leap between A5 and A6X could be big, comparing iPads.
"We told you earlier this year that you'd see some incredible innovation from Apple across the year, innovation only Apple can deliver. We think we kept our promise and we hope you agree," Cook says.
Now rounding out some of the company's launches over the year. iOS 6 and Mountain Lion. Also the new iPod Touch and iPod Nano, iPhone 5. Refresh of entire notebooks, along with Retina Display models, and the new iMac.
Also the third-generation iPad, you know the one that we just replaced.
Should be getting up-close looks at all these Apple products shortly. Considering all the announcements, it'll look like an Apple Store.
"Yes, it has been an incredible year with all of these new products, and all the applications and cloud services, this has been a truly prolific year of innovation for Apple. We hope that you love these products as we loved creating them. I'd personally like to thank all the teams at Apple who have worked so hard to create what you see today, and across everything else this year ... they dedicate themselves to making the best products on earth."