This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
PianosonataBeethovenintroduction.svg Introduction of Beethoven's piano sonata No File generated from the SVG output of Lilypond with the following file header title Appassionata subtitle Allegro assai introduction source IMSLP Heinrich Schenker Vienna Universal Edition composer Ludwig van Beethoven copyright Public Domain version