This is one of the greatest videos of singer Umm kulthum, where you can really watch her legendary bass player Fuad Abbas in action.
Umm Kulthum, “the star of the east”, had enormous influence on the entire Arab world, and is considered the greatest traditional Arab singer. She is known to have described the double bass as the heart of the music.
Check out his Pizzicato! (around 2:10 min)