John William Stevens was an English drummer, and a founding member of the Spontaneous Music Ensemble.
John Stevens (drummer)
Spontaneous Music Ensemble
The Spontaneous Music Ensemble (SME) was a loose collection of free improvising musicians, convened in 1965 by the now late South London-based jazz drummer/trumpeter John Stevens and alto and soprano saxophonist Trevor Watts. SME performances and recordings could range from Stevens–Watts duos to gatherings of more than a dozen players.
The SME playing in Islington, London, 1991. Roger Smith plays guitar and Nigel Coombes plays violin. John Stevens plays drums and cornet out of frame.