Expanding on the history of Henry Cow in new recordings discovered after the 19-CD Cow Redux box, including: a well-recorded concert at the the first Glastonbury Fayre in 1972, the earliest recordings of the quartet of Martin Ditcham, Fred Frith, John Greaves and Tim Hodgkinson; a 1978 grouping with Phil Minton; unrecorded compositions from 1977 in Bilbao; and a 1976 Chaumont Concert.