My music won't delete

Today I got my iPhone 4S and I synchronised it with my iTunes. Then I deceided to delete all my music from my iTunes and put all the music in 1 map and put it in iTunes again. Everything wen't well, but when I synchronised my iTunes with my iPhone I clicked the cancel button (the little x that appears in the title box) because I didn't want all songs to synchronise. But now, some of the songs are on my iPhone and won't come off.

I deleted all the music from my iTunes and synched but the songs that synched are still on my iPhone. I added all the songs to iTunes again and deselected all, then synched again and they are still on my iPhone. I can still play some of them, but most of them not. The ones that I can't play are grey and I can't click them.

iTunes says there is no music in the Music map, but on the bar with the info on the capacity it says Audio 0,33 GB

I use windows vista 32 bit.

What should I do? It's really weird.

Thanks.