My Sea- IU
Ah puh- IU
Love poem- IU
Through the night- IU
End of day- IU
Friday - IU feat History Jang Yi Jeong
Autumn Morning - IU
Your meaning - IU feat Kim Chang Wan
Not spring, love or cherry blossom - IU feat high4
Not the end - Highlight
Radio - Henry
Holo- Lee hi
Breath- Lee hi
I don't know if this songs fit your definition of calm
(⌒▽�...... reply
