name:Per Christum (B); office-part:Toni Communes; book:Graduale Romanum, 1974, p. 802 & Gregorian Missal, 1990, p. 19 & Liber cantualis, 1983, p. 25 & Liber cantualis, 1983, p. 29; transcriber:Jerric Chong; %% (c4) Per(g) Chri(h)stum(h) Dó(h)mi(g)num(h) no(hg)strum.(g.) (::) R/. A(g)men.(gh..) (::)