History - Litaniae (in Vigil. pasch.)
Mar 12, 2018 (Wim Veth)
Added another source: Gregorian Missal
sources
[{"chant_id":"457","source":"2","page":"239G","sequence":"1","extent":"3"},{"chant_id":"457","source":"3","page":"776V","sequence":"1","extent":"2"},{"chant_id":"457","source":"5","page":"105","sequence":"1","extent":"8"},{"chant_id":"457","source":"16","page":"340","sequence":"1","extent":"3"}]