Commercially Back to Basics was bigger but Blackout had the better longevity and long lasting impact. Blackout is also the more memorable album and gen-z’s know it more than Back to Basics.
Pre-digital pop girls and their solo streams yesterday:
Britney Spears — 7,074,341
Beyoncé — 6,940,722
Madonna — 6,047,770
Shakira — 6,025,550
Mariah Carey — 3,699,320
P!nk — 3,680,945
Avril Lavigne — 3,299,395
Christina Aguilera — 1,423,156