Well, it started with fundamentals but now i have no idea what to do next.
I dont know how this is gonna end.

http://soundcloud.com/rwnd2/blossom-clip

 

Very nice

I usually find if I get stuck, is to leave it alone and go and do something else for a day or two or even a or week or two, then come back to it and you will probably hear where the song naturally needs to progress to,

Listen to how others songs are constructed, and see if any of the their ideas fit into your song