His appeal to musicians was made in a threefold capacity, and we have, therefore, to deal with Liszt the unrivalled pianoforte virtuoso (1830 - r848); Liszt the conductor of the "music of the future " at Weimar, the teacher of Tausig, Billow and a host of lesser pianists, the eloquent writer on music and musicians, the champion of Berlioz and Wagner (1848-1861); and Liszt the prolific composer, who for some five-and-thirty years continued to put forth pianoforte pieces, songs, symphonic orchestral pieces, cantatas, masses, psalms and oratorios (1847-1882).