This one will get you, whether with the amazing vocals or the lyrics:
The Rochesters "He Knows My Name"


These girls' vocals are about the purist crystal clear you can get from a human:
The Church Sisters "In the Garden"

If you consider the lyrics a Christian reference, this is mighty good music:
The Church Sisters "I Still Haven't Found What I'm Looking For"

They ain't holding nothing back, beautiful voices:
The Church Sisters "I Surrender All"


And this one always seems appropo within its performance setting:
Zach Williams "Live from Harding Prison--No Longer Slaves"


For the bluegrass lovers, this one will get you every time:
Jamie Wilson "I Can't Even Walk"