In his study, Billy found that music motivates people, but only if they are musicians. This is a study.

Religion changed from primitive times through the renaissance period until today such that certain church conventions and rules were set about how the holy family could be portrayed. for instance: mary must always be in a blue mantle, jesus could only be in a white robe after the resurrection, jesus could no longer be seen pointing with his walking stick when performing a miracle, and so on.hope this

During the old kingdom (c 2686-c 2160 bce)