I was not aware of Ralph Stanley until recently. I’m not a bluegrass fan in particular but his gospel songs come across to me as simple and genuine. Appropriate for Good Friday:
Petty Armchair Popery
"You equate your understanding of your particular sectarian form of Catholic Christianity and its institutional expression with God's own truth primarily to justify your petty armchair popery…." Yep, that's what it's all about.
Petty Armchair Popery 
This is great! I do like Bluegrass, from even before I converted to Christianity and Catholicism. I remember there being a lot of Gospel songs, though I would tend to skip them.
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