History - Fili quid fecisti (Com.)
Mar 14, 2022 (fkchaud)
Adding Graduale Romanum 1974 as a source
sources
[{"chant_id":"705","source":"2","page":"66","sequence":"2","extent":"2"},{"chant_id":"705","source":"3","page":"481","sequence":"1","extent":"1"},{"chant_id":"705","source":"4","page":"51","sequence":"1","extent":"1"}]