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Uli Jon Roth playing the GR-1, Link to webpage of Uli Jon Roth
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Rui Nagai playing the GR-1
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Link to Youtube, User Review by Borna Matosic, published 10th Nov. 2013
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Link to Youtube, User Review by Borna Matosic, published 7th Nov. 2013
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Link to Youtube, Song example with GR-1 by Brian Johnston, published 5th Febr. 2016
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Link to Youtube, User Review by Brian Johnston, published 7th Dec. 2014