The Gershwins' Porgy and Bess , Regent's Park Open Air Theatre, London
Regent's Park Open Air Theatre, London: Since its original Broadway opening in 1935, critics have debated whether Porgy and Bess (composed by George Gershwin, lyrics co-written by his brother Ira and the show's librettist DuBose Heyward) should be described as an opera or musical. The most recent adaptation, seen in New York in 2012, even sparked controversy for subduing the operatic elements of the piece in ord…