We Are One (Buckethead ft. Serj Tankian)

Have any of you seen the video for this song? I hoped the video would help me figure out the meaning of this song, but I think I'm just more confused now. Here's the video:

http://www.youtube.com/watch?v=HkCEXrlfJ4E

Does anyone have any ideas? Although I don't really understand what it's about, it sounds awesome!