Complex sentence: Rehearsals and concerts are scheduled so that students, academics and professionals are all able to participate in the Choir's programmes--and, indeed, the Choir enjoys good relationships both with Oxford colleges and with businesses in the city.
Split into simpler sentences: Rehearsals and concerts are scheduled so that students, academics and professionals are all able to participate in the Choir's programmes. The Choir enjoys good relationships both with Oxford colleges and with businesses in the city.