Opening the Fair and summer concert series will be big time rock group Skillet. One of the best-selling rock bands of the 21st century, two-time GRAMMY® Award-nominated, Pandora Billionaires Club recipients, multiplatinum Wisconsin quartet Skillet—John Cooper [lead vocals/bass], Korey Cooper [guitar/keys], Jen Ledger [drums/vocals], and Seth Morrison [lead guitar]—write the soundtrack to triumph.