Looks great. The splash screen is clean and stylish. Here's a bug I encountered in the first minute of using it:
If you resize the window too small in either the horizontal or vertical direction (it happens for both), I get a "Run-time error '380': Invalid property value" error window. The program then crashes and exits.
I was just decoding the st.db file by hand before I found your program. Do you still need help with that or are you all set?
edit: I'm working with Build 101904.
I'll add stuff as I find it:
If I maximize the Search window, the file results window retains its original size and does not expand to fit the maximized window. It doesn't change size at all, in fact, because reducing the size of the window also has no effect on it. If you don't want to mess with dynamically resizing the results window, maybe just remove the resize functionality.
The listing of music in the main window has no names in it, even for music that has the correct id3v1 and id3v2 tags: