RAMMSTEIN Du Hast Acapella

"Du hast" - Rammstein performed by Viva Vox Choir, Serbia, Belgrade, Zemun A cappella live performance at DOB, May 2011. LINK: Youtube

Bobby McFerrin does Wizard of Oz

Bobby McFerrin acts and sings his way through the Wizard of Oz, a cappella, with the audience backing him up. Beautiful! LINK, VIA: Youtube