Nightwish & Within Temptation: I was really into them when I was in High School, but what's amusing is that my Dad randomly got into them for a short time post-Tarja, so I got to here the carnival themed CD quite a bit and ended up liking that
Within Temptation is one my go to for songs I want to sing and want to sound good lol. Sharon's voice is a workout to follow, but it's one that jives well with my own. Japan actually has a few of their songs in Karaoke (which was both awesome and surprising to see) 'Angel' is one I sing often.
BabyMetal: I swear this group fulfills so many needs I didn't know I had LOL I love, love, love metal music and I love idols. I really need to go see them and I'm almost positive I could get people to come with me. I would have definitely loved to see them in a small live hall, though. Powerful music + Small venue has always been a great combi for me