Lời bài hát trong album Heartstrings OST

• Tên bài hát

  Hát bởi
• Comfort Song (Heartstrings OST)

  C.N.Blue Jung Yong Hwa
• Give me a smile

  Yong Hwa ft. Hyun Jin & Park Shin Hye
• Lucky

  Jung Yong Hwa
• Because I Miss You

  CNBlue's Jung Yong Hwa
• Comfort Song (by Jung Yong Hwa)

  Jung Yong Hwa