Half-Life OST was composed by: Kelly Bailey. G D F Bbm Eb C Dm Bb Cm Gm Chords for Half life 2 Episode 1 Soundtrack: What kind of hospital is this with song key, BPM, capo transposer, play along with guitar, piano, ukulele & mandolin. TO INSTALL: drop the 'Half-Life OST Nuclear Mission Jam' folder inside your 'mod_overrides' folder located at steam/steamapps/common/payday 2/assets/mod_overrides. REQUIRES SUPERBLT and BEARDLIB!!!Īdds half-life 1 ost 'nuclear mission jam' otherwise known as 'something secret steers us' from half-life 2 ost, as a custom add-on heist track.