Choose the format that best suits your platform. The key is solving the user's explicit need (the PDF) and their implicit need (a Liszt piece they can actually play).
"Il mio primo Liszt" is an excellent resource for piano teachers looking to transition students from Classical composers (like Clementi or Kuhlau) into the Romantic era. It serves as a "tasting menu" that builds the confidence and stylistic understanding necessary to eventually tackle the real versions of these titanic works. il mio primo liszt pdf