Original: The Coachella Valley Music and Arts Festival ( commonly known as Coachella or Coachella Festival ) is a three-day ( formerly a one or two-day ) annual music and arts festival organized by Goldenvoice held at the Empire Polo Fields in Indio , California , in the Coachella Valley .
Simplified: Coachella Valley Music and Arts Festival , best known as just Coachella , is an annual three-day music festival held in Indio , California .