My Bloody Valentine, Nirvana, and Radiohead shaped 90's music. None of them singularly. Yet all of them singularly, stylistically
Kid A and OK Computer continue to shape music. Nirvana and MBV not so much. But they killed the 80's music anthemic scene. MBV's impact on music is still felt, whereas Nirvana is mostly used as a motivation and standard. Radiohead is still trying to be replicated, of the three, it isn't close for music today, Radiohead is still being replicated, yet never touched in their brilliance