In idf-Dateien are instrument-configuration-files to use it in the MusE Sequenzer (http://muse-sequencer.org/) In 'Tabellen zum Bearbeiten v Muse-idf-Dateien' you find open-documend-spreadsheets (ods) used by LibreOffice or OpenOffice, to create lines for the idf-files. Idfs are xml-files can be red by MusE. So you can use a simple .TXT-file-editor to edit them, but keep the syntax. ! I created these files for myself, so they are in german. So don't be worry, the few wor...