Oedipus Rex unconditional (Laius "will" have a son who will kill him). Both Aeschylus and Euripides write plays in which the oracle is conditional; Sophocles ... chooses to make Laius's oracle unconditional and thus removes culpability for his sins from Oedipus, for he could not have done other than what he did, no matter what action he took. This interpretation is supported by Jocasta's repetition of the oracle at lines 854–55: "Loxias declared that the king should be killed by/ his own son." In the Greek, Jocasta uses the verb "chrênai": "to be fated, necessary." This iteration of the oracle seems to
Oedipus rex (opera) dead but turned to stone." "Oedipus rex" is sometimes performed in the concert hall as an oratorio, similarly to its original performance in the Théâtre Sarah Bernhardt in Paris on 30 May 1927, and at its American premiere the following year, given by the Boston Symphony Orchestra and the Harvard Glee Club. It has also been presented on stage as an opera, the first such performance being at the Vienna State Opera on 23 February 1928. It was subsequently presented three times by the Santa Fe Opera in 1960, 1961, and 1962 with the composer in attendance. In January 1962