I have not made a top 10 list but my favourite is either You Need Me, I Don't Need You (Ed Sheeran) or Si Deus Me Relinquit. I basically like all of the songs on the Ed Sheeran album, but my favourite was the YNM, IDNY because it has 3 swear words and a crack reference. :D
lol, the only songs I know about are vocaloid songs! I wanted to make a top 10 list, because our community thing is at 93% and one of the things to do was a top 10 list. It's also a great way to get involved. I would have to say the Daughter of Evil series by the Kagamines is my favourite, but I also really like the Angel Beats opening song. Also, even though the anime themselves are bad, the big three's opening and ending songs are pretty good.