name:Mysterium fidei; office-part:Toni Communes; book:Graduale Romanum, 1974, p. 810 & Gregorian Missal, 1990, p. 26 & Liber cantualis, 1983, p. 26; %% (c3) MY(c)sté(ef)ri(f)um(f) fí(g)de(f)i.(f.) vel(::) My(c)sté(ef)ri(f)um(fe) fí(f!gwhf)de(ef)i.(f.) (::) R/. Mor(c)tem(e) tu(ef)am(f'_) an(f)nun(f)ti(f)á(f)mus,(e) Dó(f!gwh)mi(f)ne,(f.) (;) et(c) tu(ef)am(f) re(f)sur(f)re(f)cti(f)ó(f)nem(f) con(g)fi(f)té(ef)mur,(e.) (,) do(fd)nec(ee) vé(c)ni(bc)as.(c.) (::)