History - Beatus vir sanctus Martinus
Nov 09, 2015 (Motchipou)
Added Source: "1961 - The Liber Usualis (Solesmes)" p. 1747
sources
[{"chant_id":"988","source":"2","page":"652","sequence":"1","extent":"1"},{"chant_id":"988","source":"3","page":"1747","sequence":"1","extent":"2"}]