Okay, this isn't a Christian song, but I sing acapella a lot, so I found this song and have to post it-- a really sweet cover for JT's 'Mirrors'. Enjoy (all of you who sing):
https://www.youtube.com/watch?v=O_qwGdh0Mu8
https://www.youtube.com/watch?v=O_qwGdh0Mu8