Electric guitars with concrete bodies and traditionally constructed necks have already been featured by some enthusiasts in their videos. However, an electro-acoustic guitar with a fully concrete body is a tougher nut to crack in terms of how it's built. This is demonstrated in the video documenting the production process of a cement behemoth created by Finnish luthier Jukka Sollasvaara and his friend. Sollasvaara admits that the main r...