- Drama: Sound of Your Heart (English title) / The Sound of Heart (literal title)
- Revised romanization: Maeumui Sori
- Hangul: 마음의 소리
- Director: Ha Byung-Hoon
- Writer: Jo Suk (original comic), Lee Byung-Hoon
- Network: KBS2
- Release Date: December, 2016 —
- Runtime: Fridays 23:10
- Language: Korean
- Country: South Korea
Drama series depicts various stories of real life cartoonist Jo Suk and the people around him including his older brother Jo Joon and his girlfriend/wife Ae-Bong.
- Based on webcomic “Maeumui Sori” by Jo Suk (first published from September 8, 2006 via comic.naver.com/webtoon/)
- Hani (‘EXID’) was first offered the lead female role, but declined.
- First script reading took place March 24, 2016 at KBS Annex Broadcasting Station in Yeouido, South Korea.
- Lee Kwang-Soo – Jo Suk
- Jung So-Min – Ae-Bong
- Kim Dae-Myung – Jo Joon
- Kim Byung-Ok – Jo Suk’s father
- Kim Mi-Kyung – Jo Suk’s mother
- Song Joong-Ki – (cameo)