musescore/MuseScore — pull request #342 by ChurchOrganist (2013-05-10 15:48:02+00:00)
Title: Update to Instruments.xml

An Electronic Instrument group has been added, for synthesisers,
theremins, etc. Some electronic instruments such as the Ondes Martenot
have been moved here, but not electronic organs. XML syntax has been
checked and all appears to be well.