Wavelength consists of almost no action, and what action does occur is largely elided. If the film could be said to have a conventional plot, this would presumably refer to the three “character” scenes. In the first scene two people enter a room, chat briefly, and listen to “Strawberry Fields Forever” on the radio. Later, a man (played by filmmaker Hollis Frampton) enters inexplicably and dies on the floor. And last, the female owner of the apartment is heard and seen on the phone, speaking, wit...