He is known for his work on the films Magnolia, Fifty Shades of Grey, Boogie Nights and Red State, as well as the television series True Detective[1] for which he composed and performed his original music for which he was awarded an Emmy.
[2] As a recording artist, he has worked with Michael Penn, Fiona Apple,[3] The Wallflowers, Eagle-Eye Cherry, Stevie Nicks, and Liz Phair.
[13] Warren has played Chamberlin on many records including Michael Penn's hit single No Myth.
The song "Road Trippin'" by the Red Hot Chili Peppers for their 1999 album Californication, and Lucinda Williams' Down Where the Spirit Meets the Bone.
[16] With Michael Penn With Nerina Pallot With Michelle Branch With Taylor Hicks With Rod Stewart With Rosanne Cash With Bonnie Raitt With LeAnn Rimes With Rob Thomas With Avril Lavigne With Tracy Chapman With Joe Cocker With Neil Diamond With Macy Gray With Melissa Etheridge With Fiona Apple With Sam Phillips With Rodney Crowell With Aaron Neville With Lisa Marie Presley With Stevie Nicks With Chris Cornell With Shelby Lynne With Beth Hart With Sara Bareilles With Marc Cohn With Tom Waits With Aimee Mann With Jewel With Ronan Keating With Bob Dylan With Tift Merritt With Bruce Springsteen With Joan Baez With Graham Nash With Elisa