Original sentence: It  is the official Australian representative to the UNESCO International Music Council (IMC), Paris, the world peak music organization.The Music Council of Australia (MCA) is  is a 50-member national peak music organisation for Australia.The purpose of the MCA is to bring together all sections of the music community in order to advance a diverse and vibrant musical life throughout Australia.To achieve this, MCA, independently and in partnership, gathers and provides information, conducts research, undertakes advocacy, ensures representation in relevant forums, and initiates and realises projects that advance musical life
Edited sentence: It has 50-members and is the official Australian representative to the UNESCO world peak music organization, the International Music Council (IMC), Paris.The Music Council of Australia (MCA) is  a national peak music organisation for Australia.The purpose of the MCA is to bring together all sections of the music community so as to advance a diverse and vibrant musical life throughout Australia.To achieve this, MCA, both itself and and in partnership with others, conducts research, gathers and disseminates information, undertakes advocacy on important issues in the musical life of Australia, ensures Australian music is represented in relevant forums, and initiates and realises projects that advance musical life in general