Because art and music are influenced by different things, and the times in which each period happened could be at completely different times throughout the years. Both change styles during different times in history. To accurately depict the similarities between the two you would most likely have to compare them by times in history (the 60,'s, 70's, 80's etc.) instead of stylistic periods.
The painting and sculpture was identified by renaissaance which was emerging in italy and reached its art in the hands of leonardo da vincii hope that helped
