The BBS films we've been watching are culturally important for telling new types of stories within major studio-released films, but for the most part, outside of Head, the form of the stories hasn't been that different. The sex is more explicit, the drug use is forefront, but the actual structure of the film is more familiar, I think. Maybe that's just because we're 50 years on and it's less new.
Head was out there structurally, of course, and second to Head comes Henry Jaglom's A Safe Place, a film I cannot believe Columbia put out. It's structure has more in common with Chris Marker's Le Jetee (1962) than Easy Rider, and it feels more daring than anything we've seen in weeks of the BBS set. Jaglom is trying to chase Cassevetes, but unfortunately lacks Cassevetes' abilities. But at least he's got Orson Welles in his picture.