Although a musical composition often employs musical notation and it has a single creator, this is simply not often the situation. A work of music might have a number of composers, which regularly occurs in common music every time a band collaborates to put in writing a music, or in musical theatre, when one particular individual writes the melodie

Evolutionary musicology concerns the "origins of music, the question of animal music, collection pressures underlying music evolution", and "music evolution and human evolution".[118] It seeks to be familiar with music notion and action inside the context of evolutionary theory. Charles Darwin speculated that music can have held an adaptive gain an