By Erin Duvall, Radio.com

Brandy ClarkBrett EldredgeMartina McBrideMaren MorrisChase Rise and A Thousand Horses have joined the lineup for the 4th ACM Party for a Cause Festival. The three-day event includes will be held at the Las Vegas Festival Grounds Friday, April 1 – Sunday, April 3, leading up to the 51st Academy of Country Music Awards on Sunday, April 3rd.

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This announcement rounds out the festival’s lineup, which benefits the ACM’s charitable arm, ACM Lifting Lives. For the first time, the ACM is offering fans attending the festival the opportunity to view exclusive rehearsal and backstage footage from the ACM Awards. Fans may purchase three-day passes here.

The ACM Awards will air live on April 3 at 8:00pm ET/PT on CBS.  

Full Schedule:

Friday, April 1, 3:00 PM PT Gates Open

Party Stage Performers:

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  • Lauren Alaina
  • Kelleigh Bannen
  • Brandy Clark
  • Jana Kramer

Main Stage Performers:

  • Cam
  • Kelsea Ballerini
  • Martina McBride
  • Kellie Pickler
  • Maddie & Tae
  • Carrie Underwood

Saturday, April 2, 12:00 PM PT Gates Open

Party Stage Performers:

  • Chase Bryant
  • Chris Lane
  • Jackson Michelson
  • A Thousand Horses

Main Stage Performers:

  • Frankie Ballard
  • Dierks Bentley
  • Lee Brice
  • Chris Janson
  • Dustin Lynch
  • Chris Stapleton
  • Chris Young

Sunday, April 3, 12:00 PM PT Gates Open

Party Stage Performers:

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  • Lindsay Ell
  • Maren Morris
  • Granger Smith

Main Stage Performers:

  • Kenny Chesney
  • Brett Eldredge
  • Sam Hunt
  • Kip Moore
  • Chase Rice
  • Old Dominion