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How many groups will make it through? It seems that four groups have more votes, and one has slightly fewer, but it's close (within 20-30). I didn't see any information in the FAQ, and the voting dates are in July.
Definitely 5 groups will make it through. Possibly 6. But being one of 6 and playing at the worst time of the festival is also not ideal. It's highly desirable to be among the top 3-4.