Cryptic crossword No 3,693

Across

1. Crossbreeds shy bird disturbed (7)
2. Death due to be bestowed (7)
3. Singer's crazy about sodium (7)
4. One being taken in by hole and saint - becoming the most pious one? (7)
5. Greek character and a thousand in Rome left in charge of nothing - just part of London (7)
6. Pear and steak dished up for birds (9)
7. Vision is regularly asking what (5)
8. Lute thespians and French played to produce musical work (3, 7, 5) (3,7,5)
9. A subdivision - that's proficient (5)
10. Peculiar in education - separated (9)
11. Hydrogen found in small amount and a pipe for gas? (7)
12. Breezier, holding skill vehicle - a gigantic one of those? (8-7)

Down

1. Can Tibet reform? Surely not (2,3'1,2) (8)
2. Something inherited given to museum for City (6)
3. Hold group of eggs (6)
4. Spliced DNA undermined badly - coveted (2-6)
5. Urge felt on the south side of street - darn (6)
6. But nails scattered where worlds collide? (8)
7. Costume messed up ID, I guess (8)
8. Confused sheepdog, having lost sauce, rocks! (6)
9. Something catty beat Queen Elizabeth Second (8)
10. Sugar, spun, made rare (8)
11. As written between abode and a thousand feeling nostalgia (8)
12. Bang! The Spanish Right produces tree (6)
13. Salver on hills, we hear, for turncoats (8)
14. Something unusual, how a ton becomes a 99? (3-3)
15. No horse in the head (6)
16. Abandon poorly rested (6)