In this picture you see two different types of instruments being played together. On the left it is a chello and on the right its like a chello but instead of playing the instrument with a bow you pluck the strings.




http://www.musicthinktank.com/blog/savor-your-music-the-effect-of-abundance-in-culture.html


In this article it talks how music has such an important role in our culture today.