Cue Tom Petty and the Heartbreakers' "The Waiting is the Hardest Part".
 
48 hours in, and I've only got 13.5 of 34 files.
 
Been reading the documentation while waiting. Turns out I won't be able to use one of the major features. The library itself is compatible with K4, but not the nifty Easy String Arranger component, which requires K5. Oh well, I guess I can figure out my own harmonies just fine without it.