2004, "We Keep To Our Throne From Weeping" (with Jeff Deyo) on Light.
2002, "Mountain of God" on Max Lucado's album Traveling Light: Songs From the 23rd Psalm.2002, "Sing Alleluia" (with Jennifer Knapp) "Our Great God" (with Fernando Ortega) on City on a Hill: Sing Alleluia.2000, "Sheltering Tree" Additional personnel/vocals on NewSong's Sheltering Tree.2000, " God of Wonders" (with Cliff & Danielle Young of Caedmon's Call) and "I Remember You" (with Gene Eugene) on City on a Hill: Songs of Worship and Praise.2000, "Seize the Day" and "I Can Hear You" on Carolyn Arends' Seize the Day and Other Stories.Powell has collaborated with other artists on numerous occasions, most notably in the City on a Hill series, and more recently in the Glory Revealed series. Powell lives in Atlanta, Georgia, with his wife, Aimee and five children: Scout, Cash, Camie Love, Emmanuel, and Birdie Clare. This experience resulted in further collaboration when he began writing songs about his faith, formed a Christian band called Third Day, and eventually landed a record deal with Gray Dot Records. After his family moved from Alabama to Georgia, Powell attended McEachern High School in Powder Springs, Georgia, where he met Lee and became involved in a band known as "Nuclear Hoedown".