After Ernst died in 1926, Kurt took over and began to introduce important revisions of scores by leading musicologists such as Alfred Einstein (who edited, for example, Don Giovanni) and Friedrich Blume (who edited the Mozart piano concertos).
Following Ernst's death in 1926, Kurt succeeded him and began making important adjustments to scores authored by prominent musicologists such as Alfred Einstein (who edited, for example, Don Giovanni) and Friedrich Blume (who edited Mozart piano concertos).