Cryptic crossword No 2,753

Across

1. Ruins sound of instrument (5)
2. Perhaps monitor daughter after bar, coming back with unknown quantity imbibed (6)
3. * 10 old-fashioned Americans regularly drop the ball here (1,6)
4. Held back in class, I'm all out of sorts (5)
5. One not partaking in drink round very loudly putting away more bread? (6,3)
6. * Activity involving tongues of fire in church, with every one leaving before 10 (6,1)
7. Significance of a Liberal replacing Conservative in study (8)
8. Funny movies ultimately released from Universal (5)
9. Fish scale's second glimmer (3)
10. Crowd to surge around monarch from the East (6)
11. Fault in second set? (4)
12. Old character in joint quietly moving to the front (3)
13. Finally eliminate flaw study found within testimony (8)
14. Dictator's victim to appeal to ultimate authority (4)
15. Right side of lighting panel has new digital features (9)
16. Insulin taken regularly after contracting terminal condition caused by inactivity (5)
17. * According to Destiny's Child hype agent, no concerts and events to start after 10 (1,6)
18. * How to write 10 + 10 as Brutus did? (6-1)

Down

1. * 10 reliable cycling products are found in these (1,6)
2. Test side accepting unknown in charge with some amusement (11)
3. Retains sailor on ship going around globe (7)
4. Part of Italy that's central to Napoleon, the overthrown leader in banishment, being kept therein? (4)
5. Playing A-flat major in a certain way? (5)
6. Despondent after principal's evicted and deported (7)
7. Uncovered exclusive story in communication from singer (3)
8. * Way to revive 10 old flicks, releasing half with leads from Fonda and Eastwood (1,2,4)
9. Noted channel to harshly review a coat with pelts from African animal (6,5)
10. Flame once on aircraft, reportedly to provide illumination (7)
11. Haute cuisine primarily cooked around a French estate (7)
12. Prominent visitor skipping two streets in row (5)
13. Exhausted American died taking drug (4)
14. Tree which remains after fire (3)
15. All cut to heart, celebrity regrets briefly showing new tracks to bitter producer (7)
16. * 10-penny English cars somehow succeed, but only just (6,1)
17. * Beginning of Isaiah Chapter 10 in support of church officer's religious iconography (6,1)