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).
After Ernst's demise in 1926, Kurt took over and introduced major revisions to scores written by influential musicologists including Alfred Einstein (who edited, e.g., Don Giovanni) and Friedrich Blume (who edited the Mozart piano concertos).