보라 (BGH4) – 빗속에서
Track 01 from Single "Strawberry Shortcake 3rd Piece"
Release Date: 2013.10.11
보라 (BGH4) – 달빛 별
Track 01 from Single "Unforgettable"
Release Date: 2020.12.08
보라 (BGH4) – 빗속에서
Track 02 from EP "눈물도 괜찮아"
Release Date: 2014.07.25
길학미, 보라 (BGH4) – Let’s Go Paradise
Track 01 from Single "1박2일 Theme Song 'Let's Go Paradise'"
Release Date: 2010.03.22
보라 (BGH4) – 눈물도 괜찮아
Track 01 from EP "눈물도 괜찮아"
Release Date: 2014.07.25
정동하, 보라 (BGH4) – 하이힐
Track 02 from Single "대한민국 1% OST"
Release Date: 2010.04.20
정동하, 보라 (BGH4) – You And I
Track 01 from Single "대한민국 1% OST"
Release Date: 2010.04.20