Early 1960s to October 1963
The Lightnings   
People involved
Graham Carter (gtr); Sheila Carter-Dimmock (kbr/vcl); Roger Glover (bss); Tony Lander (gtr); Andy Ross (vcl); Harvey Shields (drm).
The Madisons merged with the Lightnings and dropped their own name. Later this formation evolved into Episode Six. Nothing recorded.