I recommend Bluestack and Nox player. They are excellent emulators in my opinion since I have used them and they work well.
That yes. You have to have a decent PC to avoid glitches
I'm going more for Hardstyle & Hardcore. They are tracks that I really like and relax me no matter how crazy they are.
Apart from that also System Of A Down. Red Hot Chilli Peppers, Molotov, Linkin Park, Cuarteto de Nos, among others (y)