Back in 1971, Sol LeWitt visited the School of the Museum of Fine Arts and invited students to help him construct a wall drawing. LeWitt had been creating large-scale wall works for only three years, taking a startling new approach to murals. The art began with instructions. Line and form were no longer paramount; the idea behind them was just as valuable. Concept, process, and product held equal sway. Then, the product was often literally erased when the show ended.
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