Popsugar Entertainment Tv Soundtrack What's the Song in Westworld's Season 3 Trailer? Westworld's Season 3 Trailer Features an Unexpected Cover of an Iconic Song 21 February 2020 by Amanda Prahl View On One Page Photo 1 of 2 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Listen to "Sweet Child o' Mine" in Westworld's Season 3 Trailer Previous Next Start Slideshow TV SoundtrackWestworldMusicTV