Jean Sibelius' image was on the Finnish 100 mark bill until 2002 when the euro was adopted. There is also an asteroid named after him, called 1405 Sibelius.
The didgeridoo is an Indigenous Australian wind instrument that is made from the trunk of a tree. It is a deep part of Aboriginal ceremonial life.
These days, most classical composers write on the computer, using a notation program such as Finale or Sibelius. It makes changes and transpositions easy, as well as playing back what has been written. Some composers though still insist on using manuscript paper because they feel more connected to the music.
It costs more to produce an orchestra concert than can be made back from ticket sales, even selling out. So donors are always critical to orchestras trying to make up that difference.
Many hand drums use rawhide animal skins. The most common is calf skin, but some also use the skins of Goats, Deer, Elk, Buffalo, Horse, and Moose.