Final answer:
The theatrical version of Heyward's wife's "Porgy" opened in 1927.
Step-by-step explanation:
The theatrical version of "Porgy" by Heyward's wife opened in 1927. It was based on the novel "Porgy" written by her husband, DuBose Heyward. The play, titled "Porgy and Bess", had its premiere on October 10, 1935, but the theatrical version referred to in the question opened in 1927. The play went on to become a significant contribution to American theater.