MMD Archives January 2021 Contents of Digest 2021.01.29 Prev  Next Nr Subject Author 01 Vintage Piano Roll Label Exchange Facebook Group Marshall Jose 02 Fair Organ Sound Synthesizer for MIDI File Test Patrice Freydiere 03 Force Versus Distance of a Pneumatic Analysis 3 Jim Miller 04 FS: Welte Green T-98 Rolls in the UK Brian Chesters 05 FS: Piano Roll Box Label Maker (PRBLM) Dave Haibach 06 FS: 20-Note Hand-Turned Roll Operated Organ, New Rob Barker 07 FS Free: O-Roll Build-up Orchestrion in Los Angeles Timothy L'Amoureux