Trey Parker is a songwriter with 19 credits across their career. Best known for their work with Primus, Trey Parker's songwriting spans 12 tracks. Beyond writing, they have also contributed 2 production credits.
Anastacia
3 tracks
Elton John
1 track
RuPaul
Primus
Ozzy Osbourne
Trick Daddy
Eric Cartman
Ween
Eminem
2 tracks
Season 21
South Park
Ultimate Collection
Season 2
Joe Strummer
Habits
South Park Theme
Poker Face
Hug Me
Pharrell Williams
Sia
J. Geco
Season 18
Prince of Darkness
South Park: Bigger, Longer & Uncut (Music from and Inspired by the Motion Picture)
Despicable Me 3 (Original Motion Picture Soundtrack)
Chef Aid: The South Park Album
System of a Down
Season 13
Push (Feelin' Good on a Wednesday)
They Got Me Locked Up In Here
Even If You Don't
Mephesto and Kevin
Shut Yo Face (Uncle Fucka)
Why'd You Lie to Me
Nowhere To Run (Vapor Trail)
Wake Up Wendy