<page_title> Park Yoon-ha </page_title> <section_title> As collaborating artist </section_title> <table> <cell> 2016 <col_header> Year </col_header> <col_header> KOR Gaon </col_header> </cell> <cell> "여름밤피크닉 (Summer Night’s Picnic)" <col_header> Title </col_header> </cell> <cell> Yoo Seung-woo <col_header> Other artist(s) </col_header> </cell> <cell> Jelly Box <col_header> Album </col_header> </cell> </table>
In 2016, Park participated in Jelly Box and released the single "Summer Night’s Picnic" (Hangul: 여름밤피크닉) with Yoo Seung-woo.