The Spontaneous Music Ensemble (SME) was a loose collection of free improvising musicians convened beginning in the mid-1960s by the late South London-based jazz drummer/trumpeter John Stevens and alto and soprano saxophonist Trevor Watts.
These are photos from concerts where Spontaneous Music Ensemble played, so they may be of other bands that played the concert as well.
Tyrannosaurus Rex / Spontaneous Music Ensemble Nov 30, 1969 Birmingham, England, United Kingdom Uploaded by Zimtrim