박일 – Good Afternoon
Track 01 from Single "Good Afternoon"
Release Date: 2013.08.28
우은미 (Woo Eun Mi), 박일 – 매일 사랑한다고 말해줘
Track 01 from Single "매일 사랑한다고 말해줘"
Release Date: 2012.01.31
난아진, 박일 – 낮잠(nap)
Track 01 from Single "낮잠(nap)"
Release Date: 2020.10.30
박일, 은선 – 약속
Track 03 from EP "부비부비 OST Part.1"
Release Date: 2010.04.14
박일, 은선 – 약속
Track 08 from Album "부비부비 The Complete OST"
Release Date: 2010.05.04