Complex sentence: In the early eighties the student union had a strong reputation for live music with a band playing on campus most weeks, a notable example being when U2 played Rutherford JCR the week their debut album Boy was released.
Split into simpler sentences: In the early eighties the student union had a strong reputation for live music with a band playing on campus most weeks. The most famous of which was probably when U2 played Rutherford JCR the week their debut album Boy was released.