Bare bones info here folks. I know that both bands are from Australia, and have only heard originals from the Hellmenn. Completely blank record label on both sides of the disk and no credits whatsoever. The Gypsy Devils take on the classic Mats b-side, "If Only You Were Lonely" isn't quite as droll as the original, but overall pretty faithful. I like it, and I'll leave it at that. Hellmenn have a Myspace portal and something of a resume. They're a self described "punk" band, in that late '80s grunge realm I suppose, but you wouldn't know it from their orthodox rendering of Santana's signature song, adding a lil' Flamenco flair and such for effective measure.
Somewhere there's an MP3 with your name on it...
Gypsy Devils - If Only You Were Lonely
Hellmenn - Black Magic Woman