The album features vocals by Townsend along with Anneke van Giersbergen, former singer of Dutch band The Gathering.

[citation needed] He compared the album's songwriting to his more accessible songs, such as "Life" from Ocean Machine: Biomech (1997), "Stagnant" from Terria (2001), and "Material" from Physicist (2000).

[13][14] Townsend has quipped that "Some parts of it sound like Meshuggah, some parts of it sound like Boney M."[13] Addicted includes a new version of the song "Hyperdrive" from Townsend's album Ziltoid the Omniscient (2007), with lead vocals by van Giersbergen, who has performed a cover of the song with her former band Agua de Annique.

in open C♯ (to accommodate the vocal range of van Giersbergen, as opposed to the version of "Hyperdrive" that appeared on the album Ziltoid the Omniscient which was recorded in C), and "Ih-Ah!"

[20] The InsideOut releases are sold in a slipcase bearing Smith's Devin Townsend Project logo.