Yeshitela Mengistu, a member of Meserete Kristos Church, Addis Ababa Choir, studied at Mekane Yesus Seminary and submitted a 44-page manuscript with choir songs:
Source: Eskil Forslund collection (early 1980s);
now: EFS [aka SEM] historical archives, Uppsala
Further study
ยป Install Android app with lyrics from MKC Addis Ababa Choir