There were two piano pieces of Rachmaninoff's: Love's Joy and Love's Sorrow. Now she, the musician who lets the instrument cry for her, always chooses to play the latter piece. And he, the musician who seeks to pursue happiness with his instrument, asks her, "Why do you stick to sorrow?"
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.
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"So I can get used to it."
inspired by the romance/music anime "Your Lie in April".