MMD Archives November 2019 Contents of Digest 2019.11.04 Prev  Next Nr Subject Author 01 Passing of Ken Vinen of Aylmer, Ontario, Canada Matthew Caulfield 02 Unidentified Duo-Art Roll of "Black Bottom" Peter Phillips 03 Seek Scott Joplin Ragtime in "O-Roll" Format Tony Stratton 04 Tempo Compensation Methods Lester Hawksby