"Johann Nepomuk Hummel (14 November 1778 – 17 October 1837) was an Austrian composer and virtuoso pianist. His music reflects the transition from the Classical to the Romantic musical era." - (en.wikipedia.org 29.01.2020)
en
(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)
)