Well, it's British, so of course you'd enjoy it. /Anglophile
I used to listen to very very very little Japanese pop, but it wasn't that bad because I understood a bit of it. That didn't last very long though. So does that mean you only started learning English when you were a bit older?
Well, I was hardly an anglophile when I was 9 or 10 years old
My older brother and older cousin were listening to that music, so I did too, monkey see-monkey does
Nevertheless, British rock was huge in these parts, you won't find many people from my generation or older who don't know what's "Smoke on the Water"
As for my English lessons, I started having some lessons when I was around 12 or so, but more seriously not before entering faculty