Where was Summertime sang by Abbie Mitchell? 
Abbie Mitchell: Abriea "Abbie" Mitchell Cook (25 September 1884 – 16 March 1960), also billed as Abbey Mitchell, was an American soprano opera singer who sang the role of "Clara" in the premier production of George Gershwin's "Porgy and Bess" in 1935, and was also the first to record "Summertime" from that musical. Summertime (George Gershwin song): "Summertime" is an aria composed in 1934 by George Gershwin for the 1935 opera "Porgy and Bess".
i don't know