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== Downloading PortMidi ==
[http://portmedia.sourceforge.net/portmidi/ PortMidi] is a library Box Of Stops uses to offer reasonable Midi performance under Windows. This is done in turn using a Python library called [https://mido.readthedocs.io/en/latest/ Mido] which offers the cross-platform support needed to let Box Of Stops run under both Linux and Windows. There is a little more information about this in the [[Python]] topic.
Generally PortMidi is only available to download in source form (for you to compile at home), but we have found [https://sourceforge.net/p/wxcode/code/HEAD/tree/trunk/wxCode/components/wxmidi/portmidi-217/Release/portmidi.dll?format=raw this link] that will enable you to download it directly. Naturally we can't guarantee this external link will stay valid.