name:Certum tenentes (In festis);
office-part:Hymnus;
mode:8;
book:Liber Hymnarius, 1983, p. 220;
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(c4)Cer(g)tum(g) te(d)nén(f)tes(g) ór(hg)di(fg)nem,(g'_) (,)
pi(j)o(i) pos(h)cá(i)mus(g) péc(hg)to(fg)re(g.) (;)
ho(j)ra(i) di(h)é(j)i(k) tér(j)ti(ivHG)a(g'_) (,)
tri(f)næ(h) vir(i)tú(h)tis(g) gló(hg)ri(fg)am,(g.) (::)