i hear, flanger(flaser..?) bass... pitched down perhaps..? the background song is pretty kewl - and then the panning on the sides - amazing use of panning and event setting up for a song - u got stuff gonig on in the foreground middle ground and background - truly an awesome piece of work done by a very knowledgeable artist - I can truly appreciate this because I employ the same methods and because so FEW other artists bother to take the time for such subtleties.
The transition to the next style was a bit odd..annd a tad repetitive,... maybe some more swirling effects would have made that more interesting - then it phases back to the other style with this style in the background - I personally think that middle part could have been completely taken out - or done something different... well mastered as well - nothing peaks - altho the volume is a tad lowered in parts...
then it phases to the second style from the first part again..and then it fades out
overall very well done.. on a professional level I give this a 9.5 outta ten - so ill just round it up to ten hehehe