I got four MusicXML Scores which lead to a crash in MuseScore 1.3 and the 2.0Nightly.
One of the is attached .. if necessary, I can attach the others too ...
It is XML 3.0 from finale 2012. They load without problems into SmartScore and Harmony Assistant.
|Misa Tango - 2 Gloria.xml||1.82 MB|