5.) import it into Audacity.
(for this we don't need really a picture :B)
Okay now you can listen to the full piece.
If it sounds seamless, you did your job good.
if you used something with much beats
and delay, it could sound still not really seamless, but for that I have still something.
if it sounds seamless, export it to.wav NOT .mp3
I think now we need someone who correct me here :U
Good tutorial. It seems a lot easier to loop music in FL studio though (although not everyone wants/is able to acquire it).