My daughter and I put this together last night.  It was very complicated, but we finished it.  It looks like a piece I will have to be careful with because of what it is made of.  I still love it though.  The part on the left with the lines I thought was a door to a cabinet but it actually just covers three more record holders like on the right. It slides back and forth on a track and is hinged at the top.  You could leave them off one side or the other and have storage for other things though.  Very nice piece.