"Wash me, make me pure within!"

3Have mercy on me, God, in accord with your merciful love;

in your abundant compassion blot out my transgressions.

4Thoroughly wash away my guilt;

and from my sin cleanse me.

5For I know my transgressions;

my sin is always before me. -----Psalm 51: 3-5

"God Be Merciful To Me" by Jars of Clay, a Christian Rock Band from Nashville.  You can find them on Facebook and MANY of their albums are on Spotify as well.