The band have released multiple studio albums and appeared at several progressive rock festivals, including Nearfest, RoSfest, ProgScape,[2] the Orion Studios progressive rock showcase, Summers End, Terra incognita,[3] Veruno Prog Festival and six appearances at ProgDay.

Although an early version of the band's epic "Canto IV (Limbo)" appeared on a Magna Carta sampler in 1995,[5] the label deal fell apart due to artistic differences.

[8] In 2013, after twenty-five years, the band reissued their first album Chaos Out of Order, originally released on cassette tape in 1988.

[9] In January 2014, the band released a double CD, This One's for England, recorded live in Gettysburg, Pennsylvania during their appearance at RoSfest in 2012.

"[17] John Collinge, publisher of Progression Magazine, writes, "Discipline’s music demands focused attention—preferably with headphones and lyric booklet, at least on the first spin.