Checklist

• I am reporting exactly 1 bug with this issue.
• This bug hasn't already been reported.
• This bug hasn't already been fixed in the latest development build.

Bug Description

This one is kinda funny. Via drag and drop, you can "import" any kind of file as an instrument. When clicking on imported "instrument", the program will silently crash to desktop (segfault).

How to reproduce

1. Drag and drop any kind of file (Famitracker module, VGM file, PNG image, anything can go ig) onto instrument list
2. Click on imported instrument
3. …