1: Song is a gas (3)

3: Vagrant going over a little river to a foreign country (5)

6: Non-clerical song (3)

7: Technique for picking up new material? (5)

8: Al's gamble on outcome of sports (4,5)

11: Principle unaffected by revolution (5)

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

14: Stories least translated (5)

15: How to eat the heart of marsupial (3)

1: Unscripted part for head librarian (2,3)

2: Stir outspoken 3-down resident, usually (5)

3: Greenback entrances Microsoft boss (4,5)

4: Sprinted fleetly? (3)

5: In the manner of a girl (3)

9: Notes spent in Germany (5)

10: Bit of a fight (5)

11: Half disapprove of old king (3)

12: Neil lost a letter and ended up with nothing (3)