Lyrics include, "A mama's cryin' 'Cause another young man has gone and died / He's not some statistic / He's another awesome destiny denied."
All of the stars wore identical white T-shirts which declared: "Super Life - Fear Kills, Love Heals."
Francis tells The Hollywood Reporter, "The song tells how love heals and it's about being ethical and honorable even when life can be so short and unfair. So we all have to do our part and I'm using my voice to help in any way I can."
Meanwhile, actress Tichina Arnold joined a Los Angeles march in support of Martin on Monday, and told her Twitter.com fans, "'Black Brown Asian White same struggle same fight!' Is what we r chanting at the rally 4 #Trayvonmartin."