S1 ED / S2 OP:  Alex Chou — Hard to Let Go — Song (YouTube)

S2 Theme: Alex Chou — The Love Letter — Song (YouTube)

Ep 2. Eric Chou — Unbreakable Love — MV (YouTube)Yu’s cover (YouTube)

Ep 3. Chopin — Etude Op. 10 No. 3

I listen to Blue Lover on a daily basis. 

Do you know what's that piano background music at the beginning of 3rd episode when Gao Shi De meets with  zhou shu yi's father?
It sounds a bit like Chopin but I don't think it's him.

 Smolpea:

Do you know what's that piano background music at the beginning of 3rd episode when Gao Shi De meets with  zhou shu yi's father?
It sounds a bit like Chopin but I don't think it's him.

Chopin Etude Op. 10 No. 3.