\version "2.24.2" \language deutsch \include "agnus_dei_xviii_vars.ly" \score { << {\VocalScore} \new GregorianTranscriptionStaff << \new GregorianTranscriptionVoice <<\voiceOne \chant.meta \chant.S>> \new GregorianTranscriptionVoice <<\voiceTwo \chant.meta \chant.A>> >> >> }