1a US Composer’s pen (4)
C???
2d Antelopes including Eastern species grouped together (5)
??N?S
10a Dirk, among others, passed by deserted Roman rampart (5)
A?G??
7d Necklace is light, end bit having fallen off. (4)
T???
19d Access has deteriorated beyond repair with roof gone. (4)
?D??
22a Wrong old measure setter used for pasta (8)
??R?E???
16d Why one may have had a dry old Christmas (6)
?O?E??