I already heard it, it is a really good song with a strong message I agree. Amber from f(x) is really cool. She is really fighting against the gender stereotypes that exist so strongly in Korea and other parts of the would.
LTS is amazing I discovered them also while watching psycho pass they are so cool. TK also made a new album. You should watch Tokyo Ghoul if you haven't they use TK's song for the opening song.
So you want to be good at maths.
Step 1: Be Asian
Step 2: You're set. If not Asian refer to step 3.
Step 3: Practice a lot of questions and be reincarnated as an Asian in your next life jk