There are at least 3 bands called V.O.S: 1) Voice of Soul (V.O.S) is an R&B group with members ์ตํ์ค (Choi Hyun Joon) and ๊น๊ฒฝ๋ก (Kim Kyung Rok). ๋ฐ์งํ (Park Ji Heon) was also a member but left in 2010 due to company differences. The group is in ์คํ์ ๊ตญ (Star Empire) Entertainment. Their debut was in 14 May 2004, with the 1st album, โThe Realโ. The hits from the 1st album were ์์คํ ์ฌ๋์ ์ํด (For The Special Person) Read more on Last.fm