28a) Classical piece came to nothing after Carnegie Hall event (8) ?????r?o
31a) Chaps curse in clothing department (8) ??n????r
48a) Scope for line of coordinates(8) ??ti?u?e
51a) Erroneously expect third person to be included in book extract (7) e???r??
53d) Anonymous, mundane revision (7) u?n?m?d
57d) Barge into sections of defensive walls (8) r??p?r?s