Really struggling with this. Apologies for all the runners up
60s- The Velvet Underground
70s- Bob Dylan (Roxy Music, solo Eno, Bowie, Iggy, Lou Reed)
80s- The Cure (Prince, Siouxsie and the Banshees, Kate Bush, New Order, Cocteau Twins, The Fall, Echo and the Bunnymen- very hard decade)
90s- Fugazi (Bjork, Aphex Twin, Nick Cave and the Bad Seeds, Autechre, Kyuss)
00s- LCD Soundsystem (Joanna Newsom, Stars of the Lid, The Microphones)
10s- Not sure yet- great releases by Grouper, Andy Stott, Julia Holter, Colin Stetson, Ian William Craig