Hollywood Casino Amphitheatre is an outdoor music venue located in Tinley Park, Illinois that opened in 1990. It is one of the largest music venues in the Chicago area, with a capacity of up to 28,000 spectators; 11,000 reserved seats, 17,000 lawn seats.It is a venue pulling fans from the city of Chicago, as well as surrounding suburbs and neighboring states. It is one of only a few large outdoor amphitheatres in the Chicago area.Nederlander Concerts and Jam Productions co-managed the venue from 1994 to 1999.Hollywood Casino acquired the naming rights, beginning in 2015. The venue is owned by Live Nation.Concerts and music festivalsThe venue has hosted many concerts and music festivals, including All That! Music and More Festival, Anger Management Tour, Area Festival, B96 Pepsi SummerBash, Country Throwdown Tour, Crüe Fest, Crüe Fest 2, Curiosa Festival, Family Values Tour, Farm Aid, Furthur Festival, Gigantour, The Grateful Dead, H.O.R.D.E. Festival, Honda Civic Tour, Lilith Fair, Lollapalooza, Loopfest, Mayhem Festival, Ozzfest, PIQNIQ, Projekt Revolution, Rock the Bells Festival, Sounds of the Underground Festival, Sprite Liquid Mix Tour, Uproar Festival, Vans Warped Tour and WKQX Q101.1's Jamboree and 101WKQX's Piqniq.