L-R: Yerin Ha as Sophie Baek, Luke Thompson as Benedict Bridgerton in episode 401 of ‘Bridgerton.’ (Liam Daniel/Netflix)Part 1 of Bridgerton season 4 arrives Thursday, and in advance of that, Netflix has revealed the songs that you’ll hear performed as instrumentals in those four episodes. You can stream the part one soundtrack starting Thursday at 12 a.m. PT. Part two arrives Feb. 26. Songs that were given the classical treatment by Bridgerton in previous seasons have experienced huge streaming boosts. For example, streams of Sia‘s “Cheap Thrills” increased by 9,500%, according to Netflix, while streams of Billie Eilish‘s “Happier Than Ever” went up 11,000%.