Well are you trying to load the music internally from within Game Maker? Here are some solutions:
- Use the older version of SDash, because it doesn't have a bunch of things added everywhere therfore there's a bigger chance it won't crash.
- Try loading music externally from Game Maker. Meaning you should use .DLL's instead of in-game loading music.
For the music .DLL, use supersound. (I know, it's a little old, but it still works.) The only problem is that it only supports .OGG, (which are also very high quality), so just get the .MP3 file you want and find a online converter. Convert the .MP3 file to the .OGG extension. Here's the website I use to convert my files: http://www.online-convert.com/
Hope this helps. If it works, +rep would be nice.