Despite its racial criticisms, Gershwin's Porgy and Bess has become a regular opera in the repertoires of many opera houses around the world. The opera was intended to be an American folk opera, and premiered in 1935. However, it wasn't until the opera was performed 40 years later by the Houston Grand Opera that it became successful. Many of you are familiar with the opera, and maybe even without realizing it. The opera's famous song, "Summertime" is instantly recognizable. Learn the synopsis of Porgy and Bess.