ἰὼ, σκότος, ἐμὸν φάος, ἔρεβος ὦ φαεννότατον, ὡς ἐμοί, ἕλεσθ' ἕλεσθέ μ' οἰκήτορα → ah, darkness that is my light, gloom that is most bright for me, take me, take me to dwell in you
introitus