Schoeck did not have time to mope, for he had to conduct a concert performance of Erwin und Elmire in Lausanne on 10 February 1927. His spirits might have already been buoyed by a concert of his works in Zurich on 6 February (repeated on the eighth), in which his old choir, the Lehrergesangverein, sang his Wegelied, Postillon, and Dithyrambe under his successor, Robert F. Denzler; the concert also included excerpts from Erwin and the whole first act of Venus. His Don Ranudo was then performed again at the Zurich opera on 13 February, receiving praise in the press both at home and abroad. In any case, his depression seems to have lifted enough for him soon to embark on revisions to Penthesilea. We know that he had been offended by the critics after the premiere, so we also know that he had read them. He had also taken to heart those who complained that he had not allowed his lyrical imagination to take flight, for on 17 February he wrote a duet for Achilles and Penthesilea to be inserted into the middle of the love scene. He told Corrodi that he had felt he would like “to hear more” at that point.