Why did early humans develop music? what are some of the ways that they were thought to create music?

Early humans developed music as a form of expression and they did so through the sound of bodily movements.

Explanation:

The earliest sonorous imitations of the man of prehistory were solely through the sound of body movements accompanied by vocal sounds, they intended to complete the possession of the animal in its essence, its soul.

When the human being realized himself, he sought the answers of what he did not understand: the first answers were magical, with the spiritual beliefs appeared the religions. For some cultures the music had a divine origin, because they believed that the sounds were given to them by a divinity. However, the music had a direct correspondence with the cosmos and with the movement of the planets. Thus appeared the first legends about its origin.

Only through the study of archaeological sites can we have an idea of the development of music in the first human groups. The rock art found in caves gives a vague idea of this development by presenting figures that seem to sing, dance or play instruments. Fragments of what appear to be musical instruments offer new clues to completing this scenario. However, the entire chronology of musical development can not be precisely defined. It is impossible, for example, to determine if vocal music came before or after beating with body sticks or percussions. But we can speculate, from cognitive developments or the ability to manipulate materials, on some of the possible evolutions in music.

i think they would live in caves or natural tunnels

they made rome the dominant power in the mediterranean.