This song is a little Garage Rock, a bit Psychedelic, and kicks butt with some Metal Power Chords!
I don't know anything about Public Nuisance but the video description says they are from Sacramento, California. It's probably from 1968. It features a heavy guitar, psychedelic organ, loud crashing drums, and almost screamy yet mournful vocals.
Only 2 and a half minutes, so try it out. You might dig it!
The video itself is cool. It's like a liquid psychedelic lightshow over some news clips of the day. Far out, man!