2646 : Too many (In memoriam)

The unclued lights (two of two words) comprise two celebrity pairs which are represented by a singleton, two pairs (one ‘In memoriam’) and a trio of lights .

Across

1    Slices top of sausage in front of dogs (5)

4    Traffic police with amphetamine found by small wood, reportedly (5,4)

9    City’s main Mr Big busted importing heroin (10)

11    A nobleman cut down one Oriental bean (5)

12    Nimbleness of US soldier in Italy, wandering (7)

15    Initial investigation into family line on isle (5)

16    Soprano left BBC football pundit for judge (6)

21    Gallows rebuilt by small prankster (3-5)

22    Have a rest around new lido (3,4)

24    Bleaching vat for either Labour leader (4)

28    It’s obtained from conifer (3,4)

34    Dried fruit exists in wet weather (6)

35    Cheer up! It’s not an afternoon custom (5)

36    Bird gettin’ dressed (5)

39    Little Sparrow consuming large rice dish (5)

40    Spend a penny twice before chase for US trombonist (3,3,4)

41    Earth scientist will stop by gully (9)

42    Dirk passed by deserted Roman rampart (5)

Down

1    Ocean’s the pits for conch (8)

4    Streaks, like a dirty campaigner (6)

5    Hairs on nut (4)

6    White’s opposite where soldiers may be dipped (3-4)

7    Eastern potentate from half the state (5)

13    Saint’s commemoration may end with a revision (4,3)

15    Bangladeshi cricket team is good among the ranks (6)

17    Confused the son, but is truthful (6)

19    Make whoopee cushion first to provoke a reaction (7)

20    Young nun is as white as the driven snow, it seems (6)

23    Provide light on chimney in single row (8)

27    Makes legal monetary plans yielding key arguments (7)

29    Church notices small pieces of computing paper (5)

32    Outburst, as I got stuck in traffic (6)

33    Posed, having sunbathed topless? (5)

37    Extras at start of Bullet.