The role of the Priestess Musician, Chantress, in ancient Egypt has recently been discussed by Suzanne Onstine (Onstine, S.L. 2005, The Role of the Chantress in Ancient Egypt. British Archaeological Reports).
Chantress items in the Egypt Centre include:
W1052 A coffin fragment belonging to a Chantress of Amun
W5003 New Kingdom shabti
Sistra which probably belonged to chantresses
Other items associated with music in the Egypt Centre