1: 4-down Arias hit high note in some of the lungs (3,3)

3: Ear to (almost all) the ground (5)

6: Asian capital managed by board (7)

7: They say the headmaster should be guided by this (9)

9: Lion devouring poor shot in part of Africa (7)

12: Haley's book provides moral support (5)

13: Right, turn right to play with robot (3)

1: Freshen the atmosphere (3)

2: Sprinted fleetly? (3)

3: Characters producing exit with cross? (9)

4: Approach hoist (3,2)

5: Dispatch Socialist in contempt (5)

7: Reflective review of lead horse (5)

8: Wayward schoolgirl's taken home (5)

10: Start reducing salt? (3)

11: Leaders of Orioles and Rangers stick in the dugout? (3)