“Bridgerton” Season 3 is here, and with it comes a new collection of string covers of iconic pop songs. The Shondaland Netflix series made a mark with its first season by packing the regency-era period story with string quartet covers of modern pop songs, and the trend continues in the new season that puts the focus on a romance between Penelope (Nicola Coughlan) and Colin (Luke Newton).

“Bridgerton” Season 3 Part 1 also features the Netflix show’s first-ever original song: “All I Want” is written by Rogét Chahayed (Doja Cat’s “Kiss Me More”), Wesley Singerman (Jennifer Lopez’s “Butterfly”), Taylor Dexter (Joji’s “Die for You”) and Nicole Cohen (Meghan Trainor’s “Sensitive”). Tori Kelly performs the song on the soundtrack, and the orchestral version was arranged by “Bridgerton” composer Kris Bowers.

Past seasons featured hits by Ariana Grande, Shawn Mendes, Nirvana, Madonna, Rihanna, Robyn and Harry Styles. For Season 3, the...