This is what we found on Wikipedia regarding the The Leo Green Experience:

The Voodoo Music + Arts Experience (formerly The Voodoo Music Experience), commonly referred to as Voodoo or Voodoo Fest, was a multi-day music and arts festival held in City Park in New Orleans, Louisiana. First started in 1999, it was last held in October 2019, after being canceled in 2020 and 2021 due to the COVID-19 pandemic, and canceled in 2022 without explanation.

The Voodoo Experience has hosted a wide variety of artists, and has had as many as 180,000 festival-goers in 2018. Voodoo is owned by Live Nation Entertainment, which acquired a majority stake in 2013, and was produced by its Austin-based subsidiary C3 Presents after being acquired. Don Kelly, Voodoo's former General Counsel and COO, is Festival Director has overseen the event.

The Voodoo Experience is known for including national artists from all genres, such as Stone Temple Pilots, Foo Fighters, Marilyn Manson, Pearl Jam, Metallica, Rage Against the Machine, Muse, Eminem, Red Hot Chili Peppers, Arcade Fire, Tiësto, Nine Inch Nails, Kiss, R.E.M., Modest Mouse, Thirty Seconds to Mars, Calvin Harris, The Weeknd, Deadmau5, The Black Keys, Neil Young, Green Day, Snoop Dogg, Duran Duran, Porcupine Tree, The Smashing Pumpkins, My Chemical Romance, 50 Cent, and 311 as well as local Louisiana musicians such as Cowboy Mouth, The Original Meters, Trombone Shorty and Orleans Avenue, The Preservation Hall Jazz Band, Rebirth Brass Band, and Dr. John.