Lilli Lehmann

Lehmann (1848-1929) was a versatile soprano with a remarkable vocal longevity and technique. She also was a famous teacher, and the author of a vocal pedagogy book (Meine Gesangskunst), that includes a number of beautiful drawings of the vocal mechanism, as known at her times. According to Lilli Lehmann, the most important vocalize is the "Grand Scale", to be sung quietly, slowly, and accurately at least daily.