Kevin Max Smith is an American singer, songwriter, and poet. He is best known for being a member of the Christian pop group dc Talk. As a solo artist following the band going on hiatus, he has recorded 12 full-length studio albums, including a Christmas album. From 2012 until 2014, he was the lead singer of the band Audio Adrenaline.

Toby McKeehan, better known by his stage name TobyMac, is an American contemporary Christian music singer, rapper, songwriter, and record producer. His road band is known as Diverse City. He was first known for being a member of the Christian rap and rock trio dc Talk, staying with them from 1987 until they went on hiatus in 2000. He has since continued a successful solo career with the release of nine studio albums: Momentum (2001), Welcome to Diverse City (2004), Portable Sounds (2007), Tonight (2010), Christmas in Diverse City (2011), Eye on It (2012), This Is Not a Test (2015), The Elements (2018), and Life After Death (2022) as well as five remixed albums: Re:Mix Momentum (2003), Renovating Diverse City (2005), Dubbed and Freq'd: A Remix Project (2012), Eye'm All Mixed Up (2014) and The St. Nemele Collab Sessions (2019). He also has two full-length Christmas albums: Christmas in Diverse City (2011) and Light Of Christmas (2017). He became the third Christian artist to have a No. 1 debut on Billboard 200 chart with Eye on It.