LAS VEGAS - OCTOBER 27: (TABLOIDS OUT) Singer Tom Petty performs on stage at The 2003 Radio Music Awards at the Aladdin Casino Resort October 27, 2003 in Las Vegas, Nevada. (Photos by Kevin Winter/Getty Images)

Earlier this year, a previously unreleased Tom Petty song, “For Real,” was made commercially available on The Best of Everything – The Definitive Career Spanning Hits Collection 1976-2016.

Today (December 20), a new version of the song — featuring Jakob Dylan, Dhani Harrison (son of George), Willie Nelson and his sons Lukas Nelson and Micah Nelson, and singer/songwriter Amos Lee — has been released.

All net proceeds from the release benefit the Midnight Mission, a homeless shelter and homeless services provider in Los Angeles. Petty supported the shelter throughout his career.

Listen to the new version of the song, and Petty’s original, below.