The video version, titled Relentless: The Concert, features additional tracks, including two recorded at a show the night before at the same venue.

In January 2003, Walter Trout and the Radicals announced that they would be recording two performances at the Paradiso on May 13 and 14 for a live album and video release.

[3] The album is Trout's first to feature keyboardist Sammy Avila and drummer Joey Pafumi, who joined the band in September 2001 and April 2002, respectively.

AllMusic contributor Hal Horowitz wrote that the album's production – with "little post-production sweetening or audience intervention" – "results in a successful balance between sonics and concert sparks".

[1] He added that "For those who relish his by now standard brand of sturdy, guitar-heavy, Stevie Ray Vaughan-inspired music, Trout is in fine fret-shredding form here.