Lollapalooza 2015 lineup announced today. Bet you've heard of at least one of these bands.

[Black]

Have seen:
Hot Chip
The War on Drugs

Have not seen, but familiar with:
Paul McCartney
Metallica
Florence + the Machine*
Sam Smith
alt-J
Alabama Shakes*
Of Monsters and Men*
TV On The Radio
Gary Clark Jr.
Gogol Bordello
George Ezra

*= would like to see


The rest-- some nice names in there.