곽윤찬 – JASPER (Feat. 장희영)
Track 08 from Album "JASPER"
Release Date: 2018.02.09
곽윤찬 – Ever Forever Whenever (With Brian McKnight)
Track 09 from Album "49"
Release Date: 2013.04.09
곽윤찬, Brian McKnight – Ever Forever Whenever
Track 01 from Single "Ever Forever Whenever"
Release Date: 2013.04.08