At the Opera House is a 1958 live album by Ella Fitzgerald, the first half of the 1990 CD edition includes a performance, whilst the second half highlights the concert recorded on October 7, 1957 at which andmark large-event venue in Los Angeles, California?
At the Opera House:  The first half of the 1990 CD edition includes a performance that was recorded on September 29, 1957 at the Chicago Opera House, whilst the second half highlights the concert recorded on October 7, 1957 at the Shrine Auditorium, in Los Angeles.
i don't know