We found "Float its voices down to thee." used in 1 sacred songs, each carrying a unique message of faith.
Float its voices down to thee.
...Heav’n is earnest; solemnly
Float its voices down to thee.
Oh, thou mortal, art thou gay,...
Heav’n is earnest; solemnly
Float its voices down to thee.
Oh, thou mortal, art thou gay,
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