tonight, these musicians are playing at mansoura university in the nile delta.l be their fifth concert in four weeks. the musicians don't use music stands or sheet music. their conductor walks around, checking tuning. as once the concert begins, the orchestra will be leading themselves. mohamed: when we start working on a piece, we give ourselves plenty of time. the women haveve to engrave eah note into ththeir memory. they d don't have a classical score in front of them. they have to learn the entire thing by heart. and for some pieces, that's a lot. reporter: the music school lies visually-impaired girls new opportunities. the scschool has its fourth generation of students. nearly 100 girls live, learn, and play music here. now well established, the school was a daring venture when it was founded in 1961. when zeinab khalil joined, blind people were often sidelined in society. today, the 57-year-old is a coach and confidant to the young girls. zeinab: when i got my place at school, my life was really tough. everyone who trains here has a bright future e ahead