5d) According to report, studies best feature of organ (4-4) R?E?-??O? (could this be reed something?)
11a) Academic amongst individuals, such as many Proms attendees? (9) L?N?O?A??
26a) British composer's forces (5) C?R?S
Thank you housemouse ... been gardening, so just seen your answer. I had an answer as yeoman, and realise now it should be yeomen ... so Londoners is great!