Yisabel – My Eden (Gu Family Book OST Part.1)
Lee Sang Gon – Love Hurts (Gu Family Book OST Part.2)
Baek Ji Young – Spring Rain (Gu Family Book OST Part.4)
Suzy – Don’t Forget Me (Gu Family Book OST Part.5)
Lee Seung Gi – That One Last Word (Gu Family Book OST Part.6)
The One – Best Wishes To You (Gu Family Book OST Part.6)
4MEN – Only You (Gu Family Book OST Part.7)
Shin Jae – Will You Be My Love Rain (Gu Family Book OST Part.8)