Réponse :
3)
a- Music helped black people to defends their rights.
b- This concert permitted us to feel stronger.
c- His song help me not to give up.
d- Has this music programme allowed you to make new friends ?
e- The guitar playing helps him not to feel depressed.
4)
a- It was not my first concert, I had been to another concert the year before.
b- The song moved her a lot, she had never felt that way.
c- They never forgot what they had exprerienced during the concert.
d- When she gave him Adele's latest album, he was a little bit disappointed, he had already bought it the day before.
e- After he attended an anti-appartheid concert, Dammers had composed the song "Free Nelson Mandela".