X is for Xia Junsu's "Kanashimi no Yukue" (or the one ballad by Junsu-sama I never seem able to get bored of)

Sadness, please do not weep, even though we can see almost nothing
The memories are by our side, forever and ever
For me, happiness changing is more lonely, than happiness coming to an end

Xia Junsu. (2010). Kanashimi no Yukue (The Whereabouts of Sadness)

T is for TOXIC's "Pheromone" (a.k.a the hybrid rock song that really brings out the quality of the band's sound)

I am dragged to you, I don’t know why
The instinct is waking me up since way before

TOXIC. (2013). Pheromone.

S is for Seo Taiji's "F.M Business" (or the boss criticizing the music business since 2004)

In there, in the center
We are stupidly standing there

Seo Taiji. (2004). F.M Business

R is for Röyksopp ft. Susanne Sundfør's "Running To The Sea (Protohype & Carnage Remix)" (a.k.a I actually like the dubstep like whoaa)

I remember running to the sea
Alone and blinded by the fear

Röyskopp & Susanne Sundfør. (2013). Running To The Sea.