Tune Title: [Lord, have mercy]First Line: Lord, have mercyComposer: Jan M. Vermulst, 1925-1994Key: F Major or modalDate: 2015Source: Mass for Christian Unity
Tune Title: [Lord, have mercy]First Line: Lord, have mercyComposer: Jan Vermulst, 1925-1994Key: d minor or modalDate: 2017Source: Mass for Christian Unity