The latter played Beethoven in Hugo 's home , and Hugo joked in a letter to a friend that , thanks to Liszt 's piano lessons , he learned how to play a favourite song on the piano -- with only one finger .
The latter played Beethoven in Hugo 's home , and Hugo joked in a letter to a friend that thanks to Liszt 's piano lessons , he learned how to play a favourite song on the piano -- even though only with one finger !