It is composed of previously unreleased demos Wyatt recorded in 1968 at the end of a tour Soft Machine did with the Jimi Hendrix Experience in the United States.

Hendrix played bass guitar on one of the recordings, "Slow Walkin' Talk".

[1] '68 was released on 8 October 2013 on LP in a limited edition, and on CD and digital.

[1] He said that the cleaning and remastering has produced an "excellent" sound, and he described the compilation as "All killer, no filler".

[1] In a review in PopMatters, Maria Schurr called '68 "especially edifying to Soft Machine die-hards", and a "great ... lost musical treasure".