Why can't I get behind the concept?
This wiki entry on the "We Are the World" answers everything:
“The dispute started when Stevie Wonder announced that he would like to substitute a line in Swahili. After a few rehearsals, a full-fledged creative conflict broke out. Geldof pointed out that Ethiopians do not speak Swahili. Michael Jackson then proposed to keep his original line “Sha-lim sha-lingay” but after a few rehearsals, it too ran into opposition, because it does not have a meaning. Eventually Al Jarreau cried, “We can make a meaning” and came up with “One World, our word” which was changed one last time in “One world, our children.”
Need a more sordid look behind the scenes of your favorite charity recording session? Check out the A.V. Club's "We Care A Lot,", which chronicles the "self-congratulatory, celebrity-bozo circle-jerk" behind Artists Against AIDS Worldwide's "What's Going On," Hear N' Aid's "Stars," the West Coast Rap All-Stars's "We're All In The Same Gang," and more.