DescriptionBasso prfundo voice range.svg English: Approximate range of a normal Basso profondo, middle C to G1 Date 14 December 2012, 18:06:24 Source Own...
DescriptionOctavist Basso prfundo voice range.svg English: Approximate vocal range of a Russian octavist Date 24 December 2012, 22:35:57 Source Own work...