Vote for your favorite covers in Martin's No Limits Challenge

The logo for Martin + Guitar World's No Limits Challenge contest
(Image credit: Future)

Watch Gretchen Menn wow with an original acoustic composition, Venice, and Helen Ibe take two very different songs – Classical Gas and Superstition – and turn them into a stunning, seamless acoustic piece.

Which is the better, more exciting performance? That's for you to decide. Cast your ballot for your favorite in the box at the bottom of the article, and be sure to check back next week, too, for the next matchup.

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