There is no structure or anything going on. If you want to make a song with FL that is cool but please don't just slap together some sounds, it kind of makes my ears hurt a bit. Spend some time getting use to using it, then slowly put together a beat that sounds good to you (I'm pretty sure this didn't sound good to you at all..} and submit it so others can enjoy it.
as far as I am concerned with this piece, just a background effect sound, some loud keyboard space sound, and some heavy house drums all playing at the same time and being compressed and squeezed togehter don't sound very good at all.
Remember my first time using FL ages ago, good times. However please do spend some time getting use to the program and then try to figure out what sounds go good togehter and what sounds don't.
Good luck with making music in the future.