Once upon a time in the era of classical rock, the word 'multi-instrumentalist' evoked an association with an one-man orchestra - where, those who were unfamiliar with music terminology, imagined a man sitting on the crosswalk or walking around the fair with many percussion and harmonica near his lips plus guitar in hands. Of course, there were multi-instrumentalists, in our understanding, even then, but the cult of the rock band as a family was very developed. Nowadays, the number of musicians in the group is decreasing in parallel with the development of recording technologies, as at one time the number of workers in factories decreased due to the automation of production processes.