insert measure in front of key sig creates measure with wrong key sig; clefs too
1. Create score in c major.
2. Insert c minor key sig in measure 2.
3. Select measure 2 and insert one measure in front of it.
4. Insert note e in the new measure.
Although the key sig for c minor is now in measure 3, the e in measure 2 is already considered and played as e flat.
Using 048eb7d on Mac OS X 10.9.4