Who produced the album that included a re-recording of "Lithium"?
Lithium (Nirvana song):  Nirvana first recorded "Lithium" in 1990 but then re-recorded the song the following year for the group's second album "Nevermind" (1991). Nevermind:  Produced by Butch Vig, "Nevermind" was the band's first release on DGC.
Butch Vig