Coachella: 20 Years in the Desert is a 2020 documentary that chronicles the history and impact of the Coachella Valley Music and Arts Festival over its first two decades. The film features archival footage, interviews, and key performances from many of the festival's biggest artists, offering insight into how Coachella became one of the most influential music festivals in the U.S. It highlights the festival's origins, growth, and behind-the-scenes stories, providing a comprehensive look at its cultural significance

. The Coachella festival itself is an annual music and arts event held at the Empire Polo Club in Indio, California, in the Colorado Desert. Founded in 1999 by Paul Tollett and Rick Van Santen, it showcases a diverse lineup of artists across genres like rock, pop, indie, hip hop, and electronic dance music, along with large-scale art installations and sculptures. The festival typically spans two consecutive weekends in April and attracts hundreds of thousands of attendees

. In summary, "Coachella 20" or "Coachella: 20 Years in the Desert" refers to the documentary film celebrating 20 years of the Coachella festival's history and influence in the music and arts world