1 Across, People conducting auditions perhaps tactless unto fool (6,6) ?????? ?C?U??
9 Across, Don's boy interrupted impertinent talk (4,2) SORRY NO LETTERS.
10 Across, Through listening, is aware of prohibited gear for a horse (8)
N?S?????
16 Across, Thus offer tips for something to go in the barbecue(8) T?R?????