Willie Nelson has announced the 2015 lineup for his Heartbreaker Banquet, which takes place at Nelson's ranch outside of Austin, Texas, during SXSW.

The March 19 event features two stages, the Medicine Show Stage and the Revival Tent, and more than 20 artists. Nelson and his Family Band will headline the Medicine Show Stage, with Butch Walker leading the lineup at the Revival Tent.

Other artists at the Medicine Show stage include Hurray for the Riff Raff, Nikki Lane, Leon Bridges, Heartless Bastards, Delta Spirit, Clear Plastic Masks, Elle King, J.P. Harris, Horse Thief and Lily Meola, as well as Nelson's sons Lukas and Micah with their respective bands, Promise of the Real and Insects vs. Robots.

Joining Walker at the Revival Tent will be Angel Olsen, Israel Nash, Joseph, Lindi Ortega, the Deslondes, Hamilton Leithauser, Matt Sucich and a guitar pull hosted by Jonny Burke and featuring Langhorne Slim, Luke Bell, Hugh Masterson and Daniel Romano.

Tickets to the fourth annual event can be purchased at HeartbreakerBanquet.com, with some proceeds benefiting the SIMS Foundation, which provides mental health services to local musicians, and Wholesome Wave, a non-profit that works to make fresh and locally grown produce more affordable.

The music portion of SXSW 2015 kicks off on March 17. Wynonna Judd is scheduled to sit down, along with her husband and drummer Cactus Moser, for an interview with NPR's Ann Powers, then perform with her band, the Big Noise, on March 20.

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