Starting in the 1980s, he worked as a studio singer, backing up voices such as Carman, Steve Green, Amy Grant, Michael W. Smith, Garth Brooks, Shania Twain, James Ingram, and Phillips, Craig & Dean.

He also made regular appearances on TNN's Music City Tonight as a background singer in the mid-1990s.

In 1989 Penrod contributed a couple of tracks as lead vocal on a Brentwood cassette (C-5103N) titled "Following The Sun – Island Music For Believers".

In 1999, he performed a duet with the Cathedral Quartet's lead singer Glen Payne on their Farewell Celebration video.

Penrod performed for the grand opening of Jerry Falwell's new Thomas Road Baptist Church new 6,000 seat sanctuary.

[4] In August 2009, Penrod released his debut solo album, Breathe Deep, on the Servant Records label.

[9] Also in 2014, Penrod was inducted into the Gospel Music Hall of Fame alongside the Gaither Vocal Band.

The album was a new solo recording of popular songs he performed during his tenure with the Gaither Vocal Band.

The album includes Penrod singing twelve newly recorded hymns featuring his signature country sound.