"Keep Your Head Down", also known by its Korean title "Why" (왜), was written, mixed, and arranged by brothers Yoo Han-jin and Yoo Young-jin, who also produced the song.
"Keep Your Head Down" atau dikenal juga dengan judul Korea "Why" (왜) ditulis dan disusun oleh Yoo Han-jin dan Yoo Young-jin bersaudara.