Ben Heppner will sing the tenor solo sections of Das Lied as scheduled, and the rest of the program remains the same: Weber's Overture to Oberon and Elliott Carter's Variations for Orchestra.
A new soloist for the January 30 concert has not yet been named. Von Otter was herself a replacement for baritone Thomas Quasthoff, who withdrew because of a scheduling conflict.
It was not immediately clear how serious Lieberson's injury is or whether it will force her to miss other engagements.