Leff Nicolas Pouishnoff played works by which Austrian composer born on January 31, 1979?
Leff Pouishnoff:  He was especially associated with performances of the works of Frédéric Chopin, though he also played works by Franz Schubert, Robert Schumann, and Franz Liszt. Franz Schubert: Franz Peter Schubert (] ; 31 January 179719 November 1828) was an Austrian composer.
Franz Schubert