[2] [3] [4] [5] [6] [7] [8] X 2008 also came with a secret link that you could use to download a "New Music Sampler".
[9] [10] This is the first time that Capital Lights, Philmont, and Since October have been on an X album, although Capital Lights performed "His Favorite Christmas Story" on X Christmas.
X 2008: The Videos includes eight bonus videos by the following artists: nevertheless, Chasing Victory The Send, Future of Forestry, Ruth, Manafest, Project 86, and Seventh Day Slumber.
X 2009 is sold with a bonus DVD of Christian Rock music videos from various artists, which is the first X album to do so.
The X Worship compilations, which began in 2006 and ended in 2007, promoted lighter Christian rock, rather than the general rock theme.