How does this artwork elucidate its Biography?
Sha-Amun-en-su was born circa 800 B.C., during the Twenty-second Dynasty of Egypt. Her name and almost all information about her life comes from the hieroglyphic inscriptions in her sarcophagus.
It is known that she was a "singer of Amun's sanctuary", meaning she was a singer with priestly assignments in the service of the Temple of Karnak  in the ancient city of Thebes (currently Luxor), devoted to the god Amun. Thebes was one of the most important religious centers in Ancient Egypt, congregating a complex of temples and hundreds of workers, among them priests, scribes, singers, musicians, managers and employees, with Karnak as its main temple.There were several categories of priestly singers at Amun's shrine. Sha-Amun-en-su belonged to the main group, called Heset, women who exercised ritualistic functions and sang hymns in honor of the god Amun at sacred ceremonies and festivals, either as soloists or accompanied by female choirs. The  Heset tradition lasted in Thebes between the 9th to 6th centuries  B.C. Besides  singing the religious hymns, they were responsible for helping the "God's Wife of Amun" during the temple rites.
The Heset were not obliged to live permanently in the temple and many of them attended only for the execution of the ceremonies. Nevertheless, they obeyed to strict codes of conduct. Preferably, they were to remain chaste, but regardless, they were considered pure to such extent as to perform their gifts in an important and symbolic edification as the temple of Amun. Although they were not members of the Egyptian nobility, the singers were chosen among members of local elites and prepared for the function from an early age, being "adopted" by an older singer who served as their tutor and, in fact, as an "adoptive mother".There is no information about Sha-Amun-en-su's biological family or foster mother. It is likely that, like most Heset, she came from a wealthy family  traditionally linked to priestly activities. It is known, however, that she had an "adopted daughter," based on the inscriptions of another sarcophagus currently preserved in the Egyptian Museum in Cairo — the casket of a singer called Merset-Amun, whose hieroglyphs report that she was "daughter of Sha-Amun-en-su, singer of the shrine of Amun". Sha-Amun-en-su lived until around 50 years old, according to researches led by the National Museum's Laboratory of Egyptology. The death causes could not be determined.
Luxor Egyptian Museum Karnak Thebes sarcophagus Twenty-second Dynasty of Egypt Amun National Museum chaste Egyptian Temple of Karnak Ancient Egypt hieroglyphic inscriptions