In gupta culture most art literature music and entertainment was based on

In Gupta culture most art literature music and entertainment was based on religion.

Explanation:

All their achievements in art, architecture, literature and other cultural aspects were connected with religion.

They patronized and tolerated both Hinduism and Buddhism equally and developed both religions.

All their architectural constructions were mostly temples or monuments which were built with shrines of gods.

Literature during the Gupta Empire created many epic works like the Abhijnanasakuntalam,  Allahabad Prasati, Varahamihira, etc. Sanskrit literature was the highlight of the Gupta Empire.

Classical music was performed in temples as a devotional rendition to god.