Cryptic crossword No 3,304

Across

1. Depends on stories (6)
2. Island to some extent cannibalistic (4)
3. Poet having a good time without girl at first (6)
4. English pair watching over Paul’s shoulder (6)
5. Edinburgh University Press republished Choir in Heaven (8)
6. Repair siren (4)
7. Minor C19 Anglo-French composer simmering? (6)
8. Frail don is struggling with historical language (3,7)
9. Things with blades circling in both directions - shark traps snaring expert (11)
10. Text from Odent’s book changing verb for ‘born’ to ‘saving time’ (8)
11. A cat, perhaps, holds nothing for Henri to find cathartic (8)
12. Harpo, maybe go over playing harp for record producer? (10)
13. Irrefutable even with lad hiding coke (8)

Down

1. Zappa on Android over-contributing to very small piece of software (7)
2. Returned to Caesar plastered? (8)
3. West Asian announced milk product (4)
4. Stage most jellyfish go through shown in chart using Latin appellatives primarily (7)
5. Coal left out for fire (6)
6. Symbolically ELEPHANT TOYS ‘R’ US? (10)
7. Old Scot takes great north road back to find Mother Teresa’s birthplace (7)
8. Opaque haloid separated out? (10)
9. Castro matter-of-fact providing sample for NASA database (8)
10. Book of incomplete plays (4)
11. Flatulence buoying migrating blue whales (7)
12. Balkan region over and over claiming victory after defeats (6)
13. Francis Drake famously restless: ‘I am craving court!’ (15)