Okay, so I don't consider myself as a christian anymore, but being converted into born again christian sect for quite some time, there are some praise and worship songs that I like. I particularly like this one:
I don't really have a favorite song, I have a lot of songs I really like a lot. But here are a few songs that I really enjoy listening to at this point in time.
I like stealth Christian music.. You know bands that are not Christian but end up producing a Song that is Christian. I don't like most christian bands.. making money out of the gospel is offensive to me.
So here is a song by a band called Linkin Park
Listen to the lyrics and see some of the visuals and you can tell Someone was working on them.
If you like secular groups doing religious-like songs (although whether they are truly religious or not, I don't know) you might like the 70s band Kansas. They are a favorite of mine.