That Mozart thing was a box set of over 200 CDs which has sold over 6000 copies. So that many people bought a $500 collection of his music. None of the charts count individual discs, so there will be no Mozart on the charts.
25 will remain the best-selling album of 2016 in pure sales in the US and worldwide.
I knew about the 6000 copies thing but I was unsure if Billboard counts each individual CD since I remember when it comes to certifications (I know, Billboard/Nielson=/=RIAA) an album with two CDs that sells 5 million is eligible for Diamond.
Yass Queen won album of the year and Robbie Williams accepted it and he read a message she sent, she said she loves us etc and then he said she is an incredible mom, the hardest working mom in showbusiness. This bitch will cry seeing he called her the best mom