Hi,
I am frequently doing this sort of job with Wavepad.
Here's how I get the bits I want:
Open the file. Move to the start point that you want to keep.
Edit/Trim start - gets rid of the stuff at the front. Then save your file.
Next- go to the end of the music you want to keep, and now Edit/split into two at this point. Save your file - the one you've just split off.
Now I would save the remaining file with a name I can recognize (because you will end up with files named untitled 1, untitled2 and most times can't recognize which is the split I want to keep).
There you have it. Just continue with splitting, saving, and with the last split you may need to clean the end - so find the end point and Edit/trim end
Hope this helps,
Ardena :-)