name:Certum tenentes (In feriis per annum);
office-part:Hymnus;
mode:d;
book:Liber Hymnarius, 1983, p. 219;
transcriber:carolus7;
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(c4)Cer(h)tum(h) te(h)nén(h)tes(h) ór(h)di(g)nem,(g'_) (,)
pi(h)o(h) pos(h)cá(h)mus(g) péc(h)to(h)re(h.) (;)
ho(h)ra(h) di(h)é(g)i(f) tér(g)ti(f)a(e'_) (,)
tri(f)næ(g) vir(g)tú(g)tis(f) gló(h)ri(g)am,(g.) (::)