History - Judica me

Feb 28, 2022 (fkchaud)

Adding Graduale Romanum 1974 as a source

sources
[{"chant_id":"78","source":"2","page":"151","sequence":"2","extent":"2"},{"chant_id":"78","source":"3","page":"569","sequence":"3","extent":"2"},{"chant_id":"78","source":"4","page":"120","sequence":"1","extent":"1"}]