"Bin ich nun frei?" Alberich's Fluch (Curse) Rheingold

Craig Colclough sings Alberich's "Bin ich nun Frei" from Wagner's Das Rheingold during a Sitzprobe. I was long told by casting directors that Alberich would become a pillar of my repertoire. However, I couldn't anticipate how much I would enjoy playing the heartbroken cave-dweller.