Three countertenors serve as narrators. They are, from left, Nathan Medley, Brian Cummings and Daniel Bubeck. Behind them are, from left, Tamara Mumford as Martha, Kelley O’Connor as Mary Magdalene and dancer Troy Ogilvie. The oratorio, commissioned by the Los Angeles Philharmonic, has returned in revised form a year after its introduction. (Katie Falkenberg / Los Angeles Times)