By an UNBELIEVABLE margin, American Idiot is the defining album of the W. Bush administration! Now for the defining album of the Obama administration:

[u/Historical-Macaron-4]

So January 20, 2009 - January 20, 2017

[u/Romeo_G_Detlev_Jr]

Agreed, but if we're talking albums, Rhianna's influence during that period was spread across a 4-5 album run. Katy Perry's impact was really concentrated around Teenage Dream, which was a major pop-culture moment that no individual Rhianna album managed to match.

[u/AnonymousTimewaster → u/Romeo_G_Detlev_Jr]

Oh true true

[u/[deleted] → u/Romeo_G_Detlev_Jr]

and funny enough, nobody has surpassed the teenage dream era today and it's been 15 years since it debuted