<page_title> Jang Do-yoon </page_title> <section_title> Music Shows </section_title> <table> <cell> Music Core <col_header> Show </col_header> </cell> <cell> Love Letter <col_header> Song </col_header> </cell> <cell> Happy Pledis <col_header> Artist </col_header> </cell> </table>
Jang Do-yoon appeared in Happy Pledis song, Love Letter on Music Core.