Conceptual art, happenings, and the snapshot aesthetic met again this year, often with better results than expected. Bernadette Mayer, a New York poet, shot an entire 36-exposure roll of color film every day for a month, had them printed by a drugstore processing concession, and mounted “Memory,” a show which included all 1,116 images in sequence, accompanied by a taped monologue which used the photos as a jumping-off place. […]