Listen to the sound clip 42. 4:20 from S.T.A.L.K.E.R. - Clear Sky - Video Game Music: 42. 4:20 42. 4:20 This sound is from S.T.A.L.K.E.R. - Clear Sky - Video Game Music Video game music from S.T.A.L.K.E.R. - Clear Sky for Windows. Published by Deep Silver, GSC World Publishing (2008). Go to the full soundboardwith more sound clips Search