Welcome to the club. I think many of us have been there and do from time to time 
IMO the only source of frustration you can kill is the frustration about not beeing familiar with your gear and to fall from trap to trap - technically speaking. If you know your gear well, you might avoid to try things that would fail anyway.
Try to stay curious like a child and experiment with the Elektron boxes.
About finishing a track … you might want to pay a visit to the following thread:
http://www.elektronauts.com/t/finishing-a-track/15514/127374