“All confined things die,” wrote the artist Toulouse-Lautrec. Renowned for his street art, and known for directness and honesty, the posters he created are still very much alive. In an 80-work exhibition that examines Toulouse-Lautrec alongside his contemporaries—Mucha, Steinlein, and more—19th-century street art will be combined with music and entertainment from the times. —E.C.