MMD Archives April 2020 Contents of Digest 2020.04.12 Prev  Next Nr Subject Author 01 "Das Mechanische Musikinstrument" In Delivery Uwe Gernert 02 Marked Tempo of Ampico "Carnaval" Rolls Grahame Code 03 Marked Tempo of Ampico "Carnaval" Rolls Gavin East 04 FS: Gavioli Barrel Harmonium With 6 Cylinders Jan Wich