(CNN)It looks like Willie Nelson has Joe Biden on his mind.
The legendary country singer will join Robert Earl Keen at a Monday night virtual fundraiser to support the former VP's presidential bid.
Guests at the event will include two of Biden's former primary rivals -- former HUD Secretary Julián Castro and former Congressman Beto O'Rourke. Another famous Texan, Cecile Richards -- an abortion rights activist and daughter of Former Governor Ann Richards -- will also be there.
The tickets range from $250 to $100,000.