The vocal talent of musical director Kolleen Park, who earned her fame through KBS 2TV's "The Qualifications of Men," was revealed through the teaser release of her duet track with Lim Jung Hee. The producer of the track, Kim Hyung Suk revealed, "Kolleen Park sang the song like a musical while Lim Jung Hee gave it a pop R&B tone. The two contrasting styles worked well with the song." "Beautiful You" was written by Yoon Sara and composed by Kim Hyung Suk. �It is a confident song, stating that being in love is the most beautiful thing and asking everyone to summon the bravery to confess their feelings. Source: Star News via Nate