MMD Archives April 2021 Contents of Digest 2021.04.08 Prev  Next Nr Subject Author 01 Durward Center on Glen Echo's Wurlitzer Organ Joel Shprentz 02 Video of John and Patrick Wrasse Moving a Piano Dave Krall 03 Piano Roll "Ragtime Violin" by Irving Berlin Juliet Pierce 04 Unknown "WIMP" MIDI Decoder Circuit Boards Bill Klinger 05 FS: Upright Ampico at Auction in St. Paris, Ohio Rob Pollock