Frumpy (Inga Rumpf) at Stadtpark Hamburg probably July 1970 (from UFA newsreel) 

Short report about open air concerts in Hamburg's Stadtpark. Artists featured here are Frumpy and another unknown band (Bunch?).
This clip is taken from a weekly newsreel produced for German cinemas (UFA-Dabei 732/1970).
Many thanks to the German Bundesarchiv for preserving this footage.