Xero (rpt). Recorded 1981-04-01. First TX 10 April 1981. No known commercial release.
Groundhogs. Recorded 1970-02-04. First TX 1970-03-07 on BBC World Service Rhythm & Blues show. No known commercial release.
Groundhogs. 1971 Session. The track represented here (introduced by Brian Matthew) was recorded for the BBC three times on two different shows in that year, so at this stage it is not possible to tell which it is from.