Bad Guy (song) Mathers LP" left off. I don't know if anyone caught that, but that’s kind of where the continuation starts." The song is split into two parts, the first part was produced by S1 and M-Phazes, while the second was produced by StreetRunner and Vinny Venditto. Sarah Jaffe, who works with S1 in a group called The Dividends, provided songwriting and sang the song's refrain. Eminem originally considered getting Dido on the song, but did not want to give away the "Stan" reference. Additional keys on the song was provided by I.L.O and the song was recorded at Effigy Studios in
Headlights (Eminem song) record." "Headlights" was produced by Emile and Jeff Bhasker, with additional production by Eminem and additional keyboards by Luis Resto. The song was written by Eminem, Nate Ruess, Emile Haynie, Jeff Bhasker, and Luis Resto. Recording for the song was done at Effigy Studios in Ferndale, Michigan by Mike Strange, Joe Strange and Tony Campana. The song's refrain is sung by Fun.'s lead singer Nate Ruess. "Headlights" was met with generally positive reviews from music critics. Julie Leconte of "Now" said: "The track's genius partially lies in the anticipatory tension it creates in the listener. Em loves to set us