Meaning of "duplex long" in music
In music, "duplex long" refers to a note value that is no longer in regular use today. It is a larger note value that corresponds to the modern double whole note or breve. The term "duplex long" is also known as "large" in Britain.
The system of note types used in mensural notation, which was used from the 13th to 17th centuries, closely corresponds to the modern system. The mensural brevis is the ancestor of the modern double whole note (breve), and the duplex longa (or maxima) is a larger value that is no longer in regular use today.
Please note that "duplex long" is a specific term used in the context of historical music notation and may not be commonly encountered in modern music notation.
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Also duplex longa. See maxima.
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