 Joni Mitchell (qv) was forced to choose between appearing on this  show, which was her first national television appearance, and  appearing at Woodstock. Her manager forced her to appear on this  show when he saw how bad the traffic was going to and from the site.  However, the night of her appearance, several of the acts who  appeared at Woodstock, including Jefferson Airplane,  David Crosby (qv) and Stephen Stills (qv) showed up unannounced  while she was being interviewed and gave their first