We found "Who art" used in 2 sacred songs, each carrying a unique message of faith.
Who art
...Flee as a bird to your mountain,
Thou who art weary of sin;
Go to the clear flowing fountain...
Flee as a bird to your mountain,
Thou who art weary of sin;
Go to the clear flowing fountain
...start
O Thou who art my king,
Submissive to Thy law,...
start
O Thou who art my king,
Submissive to Thy law,
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