What are the best A Capella groups?

Question: What are the best A Capella groups!?
Best Answer - Chosen by Asker:

The Real Group from Sweden, Vocal Ensemble Rajaton from Finland and Swingle Singers from the UK are my choices, though I also like Take Six and Mnhattan Transfer!.!.!.!Www@QuestionHome@Com

for me hard to say, cause its not my style, but Paul Simon did some pretty tasty stuff with that African group,sorry don't know the name of the group or the album, but hunt them down and check them out, nice stuff if you like acapellaWww@QuestionHome@Com

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