Lee Jong-hyun
The drama has released seven parts of the soundtrack in two OST albums, the first part is "High High" by Kim Tae-woo and the second part features various artists including Jeon Geun-hwa with single "Beautiful Words", Kyung-woo with single "When I Look At You" and Park Eun-ooh with single "Everyday". Actors Jang Dong-gun, Lee Jong-hyun and Kim Min-jong also contributed songs to the soundtrack included in "A Gentleman's Dignity OST 2".