Gave this another try. Still doesn't work. I type in Mayhem, and it gives me Death, then Iron Maiden, then another Mayhem, then some Hardcore band. What the hell are mayhems genes? 'loud guitars'? I happen to like all these bands, except the hardcore one, but if I put in Mayhem I expect it to at least suggest me some black metal. So I put in Current 93. I notice that two of Current 93's genomes are based on piano (interesting as they don't use it on every album, or many of their live recordings) so I end up on fucking Coldplay and Tori Amos! FROM CURRENT 93! I went through ten suggestions and the closest was Cat Power, who I already know and think are ok.
But ech. It should be suggesting things like Coil, Death in June, Oraison, Gae Bolg, The Moon Lay Hidden Beneath a Cloud, Viking, Sol Invictus, Of The Wand And The Moon, The Legendary Pink Dots etc. for C93. Not Tori Amos. The Genome system is screwed, which is why I'll stick with last.fm, which is also skewed, but gives me more palatable suggestions and has led me on to some good things in the past because it's suggestions aren't limited to it's database.