jerboa 's notes were scribbled against the text : interrupted cadence v-vi tonic i subdominant first inversion ( vi ) if b minor supertonic triad iib submediant triad root position vi perfect cadence here mediant chord in c # minor discord of an augmented fifth although the opera is designed to be `` through-sung '' or `` durchgesang '' , there are moments where the characters sing what might pass as arias as well as moments where the composer clearly intends a `` sprechgesang '' effect .