A duk lokacin da ta ke aiki, ban da bayar da gudummawar muryarta ga waƙoƙin Girls'Generation, Soo-young ta bincika cikin rubutun kalmomi.
Tabbas, mafi rikitarwa na jumla ita ce "A cikin aikinta, ban da ba da gudummawar muryarta ga waƙoƙin Girls 'Generation, Soo-young ta taimaka ta rubuta kalmomin waƙoƙi guda biyu:''How Great is Your Love''(2011) da' Baby Maybe'(2013). "