You can hear their acapella version of "Africa" on their MySpace page.
This next acapella choir was introduced to me just a few days ago. This group is amazing. From the unsuspecting beat boxer doing drum fills, to the lead melody line, to the phenomal SFX of rain and thunder at the beginning, you'll really enjoy this.
Ok, confession time. Here's my misunderstood lyric: "There's nothing that a hundred men on Mars could ever do."
Read the rest of the lyrics here.