An hour of improvised duo music by Per Henrik Wallin (piano) and Sven-Ake Johansson (drums) on one CD, and another hour of exceptional playing by the trio of Wallin, Peter Janson (double bass) and Leif Wennerstrom (drums) on the second CD.

Unique release of a 4-CD box including rare recordings of Swedish pioneers of free jazz and improvised music, as well as a 28-page booklet with extensive writings and photos, letters and drawings by the artists.