This article is a sequel to the article Astronomically Expensive Musical Instruments: Guitars and Violins. As previously mentioned, there are several factors contributing to the price of a musical instrument. Some of these factors can be listed as the level of uniqueness, previous (celebrity) owners and the materials (such as expensive metals and precious stones) used in the manufacturing.

I have met just a few virtuosos in my interactions with musicians, and I have met even fewer who have been able to take their playing in an entirely new and creative direction.
These two videos are simply incredible. They are of musicians who have managed to come up with methods of beatboxing while playing their instruments, and we’re not talking about playing the piano here.
The first video is an individual by the name of Yuri Lane. He beatboxes while playing the harmonica: