History - Oblatus est
Feb 16, 2021 (fiat)
add source
sources
[{"chant_id":"2545","source":"3","page":"657","sequence":"1","extent":"1"},{"chant_id":"2545","source":"10","page":"151*","sequence":"1","extent":"1"},{"chant_id":"2545","source":"48","page":"433","sequence":"4","extent":"2"}]
version
Solesmes 1961