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The following information was provided to us by a guitar player with 40+ years of experience. He used Song Surgeon Version 5 and Riffstation and did a side-by-side of 8 songs. His comments can be seen below. The summary results are, Song Surgeon 5, Riffstation 2 and they tied on 1 song.
The original handwritten document from the guitarist that is transcribed below, can be seen my clicking this link.