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Matt Shultz of Cage The Elephant performs during the 2014 Lollapalooza Brazil at Autodromo de Interlagos on April 5, 2014. Getty Images

Want to see artists like Lorde, Blink-182, Chance the Rapper and Arcade Fire outdoors over a four-day period this summer? You should check out Lollapalooza, a Chicago-based music festival that released its star-studded, various-genre lineup Wednesday ahead of the shows Aug. 3-6.

But before you can get your dance on in the sunshine in Grant Park, you need to get tickets. More than 400,000 people attended Lollapalooza last year, and when four-day passes for the 2017 festival went on sale Tuesday, they sold out within two hours, according to CBS Chicago.

Luckily, we're armed with more than flower crowns — we've got tips to help you score passes for Lollapalooza.

Read: How To Buy Governors Ball Tickets

The Basics

One-day general admission passes go on sale Wednesday at 11 a.m. EDT here. They cost $120 plus fees and will get you into the festival for one day, during which there will be concerts from 11 a.m. to 10 p.m. local time.

You can also score one-day VIP tickets for $650 plus fees here. Those include not only admittance but also unlimited access to lounges, better bathrooms, a separate entrance to the festival grounds, spa treatments, golf cart shuttle service and catered food.

Four-day VIP passes were still available Wednesday, but they cost a pretty penny: $2,200 plus fees. Platinum packages were available here, as well, starting at $2,800 for one day and increasing to $4,200 for four days.

The Tips

If you're purchasing general admission or VIP passes, you can only get six tickets per person. So if you're planning to go to Lollapalooza with a group, you should coordinate. Remember that kids under the age of 10 can get in for free.

In previous years, Lollapalooza ticket-buyers could get their passes delivered two ways: either by UPS or the U.S. Postal Service, according to a Reddit thread. As one user, cchristinaa, noted, "UPS charges 10 dollars and the other option is free." Another added that UPS shipped first.

Missed out on the sale? Be careful if you're buying from an unofficial source. Lollapalooza warns on its website that passes bought on Craigslist, Stub Hub or other marketplaces may be used or fake. Horror stories abound online, but if you must seek a Lollapalooza ticket online, you should ask for references and do the transaction digitally so you don't get scammed, DNA Info reported.

"The question you have to ask yourself every time is, 'Do I have any recourse?'" ticket broker Steve Buzil told the outlet. "If you meet a guy somewhere and hand him a wad of cash, you have no recourse. You have no way to get your money back."