name:Iam lucis orto sidere ;
office-part:Hymnus;
mode:7;
book:Hymnarium Cisterciense, 1952, p. 6;
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(c3)Iam (e) lu(e)cis(fg) or(hg)to(fe) sí(fgf)de(e)re,(e) * (;)
De(e)um(g) pre(h)cé(i)mur(iji) súp(g)pli(h)ces, (i:) 
Ut(g) in(i) di(i)úr(j)nis(i) á(hg)cti(f)bus (e!fh;)
Nos(h) ser(hi)vet(h) a(hg) no(fe)cén(fgf)ti(e)bus. (e::e+Z)