In 1989, Truby joined Living Sacrifice with the other members being Bruce Fitzhugh, DJ Johnson, and Lance Garvin.
In 1994, the band released a third album, Inhabit Living Sacrifice signed onto Solid State Records seeking to widen their audience.
In 1998, both Truby brothers left the band and were eventually replaced by Rocky Gray and Arthur Green.
Truby was available at the time and wrote and recorded the band's single, "Sleeping Awake", for The Matrix Reloaded Soundtrack album.
album with Truby, Testify, was produced by Glen Ballard and released in January 2006, including Katy Perry on background vocals on the song "Goodbye for Now".
On July 26, 2008, Truby announced a third solo acoustic album, Finding the Quiet, released on November 25.
Truby produced a compilation album in 2012 for a non-profit adoption and foster care organization called Project Zero.
This album entitled "Grafted" featured Truby, Stu G from Delirious?, Sonny Sandoval from P.O.D., Cheri Keaggy, Phil Keaggy, Steve Dean, Tiffany Thornton, Geoff Moore, Willet, The Roys (2010 bluegrass band of the year), Caitlin Evanson, Sean Michel.