While most of the grounds stage headliners were announced a few weeks back, this morning, Summerfest began the business of announcing when and on what stages we’ll be able to find these acts when the Big Gig hits in late June. To start: the Miller Lite Oasis. Here’s the headliner lineup:

June 29: Martin Garrix, 10:15 p.m.
June 30: Passion Pit, 10 p.m.
July 1: Timeflies, 10:15 p.m.
July 2: Randy Houser, 10:15 p.m.
July 3: The Roots, 9:45 p.m.
July 5: Jason Derulo, 10 p.m.
July 6: X Ambassadors, 10 p.m.
July 7: The Decemberists, 10 p.m.
July 8: TBA, 10:15 p.m.
July 9: Death Cab for Cutie, 10:15 p.m.
July 10: 311, 10 p.m.

In addition, Summerfest also announced that beginning now through April 29 at 11:59 p.m., fans can buy a five-day Day Pass for $50 when they use the discount code: HA5DAY.