The video, directed by Paul Haggis, shows the devastation in Haiti. It also shows some of the 85 artists who gathered to record the track earlier this month in L.A.
Teen heartthrob Justin Bieber opens the song. Also featured are Wyclef Jean, Will.i.am, Jennifer Hudson, Nicole Scherzinger, Sugarland's Jennifer Nettles, Barbra Streisand, Celine Dion, Fergie, Josh Groban, LL Cool J, Nick Jonas, Lil Wayne, Jeff Bridges, Kanye West and Miley Cyrus.
Janet Jackson also sings a duet with Michael Jackson's original vocals. Michael co-wrote the original song with Richie.