"The Hunting Party" was produced by Mike Shinoda and Brad Delson. Who was the only other producer for Linkin Park's albums?
Until It's Gone (Linkin Park song):  The song was originally recorded by the band for their sixth studio album, "The Hunting Party", where it appears as the seventh track on the album. The Hunting Party (album):  It is the first album since "Meteora" (2003) not to be produced with Rick Rubin, after producing the band's previous three studio albums.
i don't know