known NBC TV Special (now  called The 68 Comeback special)and this picture for National  General Pictures. The TV special was shot at the end of June 1968  (and aired in December) and the film was shot in July and August  1968 (and was released early 1969). The TV show was supposed to be a  Christmas Special with Xmas songs only but turned to be a rock n  roll revival show while the movie, on the contrary, was supposed to  be much more violent.