Brooke Fraser is an amazing woman with much faith in our Lord. Her lyrics to her songs are powerful. Below are links to some of her songs.
One is very powerful- our church even sings it- its called "Hosanna"- she sings it with Hillsong. She wrote the lyrics though.
Another song called Albertine, she wrote for a child she met in Rwanda. She basically says "Now that I have seen, I am responsible, faith without deeds is dead" Pretty good! http://www.youtube.com/watch?
Another of my favorites is Hosea's Wife...which if you know the story of Hosea, he was called to be faithful to an unfaithful woman to repsresent Gods unfailing love. This is a video of her in concert.
Hope you enjoy!