Across
1 Nearly exploit commanding position in commission (6)
4 More than one saw shows featuring rhythm and blues (8) PROVERBS
10 Regime to possibly lead in change in some progression (9) GEOMETRIC
11 Moderate chill (5)RELAX
12 Person of high social standing (Earl) rejected condition to adopt ward (7)
13 Vespers for the dead occurring in room with sticky smell (7)
14 Irrational voiceless sound in speech (4)
15 Doomed without a group of fast developing nations being made up (10) FABIRICATED
19 National singles won by our compatriot (10) INDONESIAN
20 Captive in retreat caught hard blow (4)
23 Clears a city’s premier square (7)
26 Caretaker sent back rubbish following start of new year (7) JANITOR
27 Fey, side-splitting, humorous contradiction (5)IRONY
28 Requests Spain to cut some trees (9) BESEECHES
29 Understood to be good-hearted for a change (8)GATHERED
30 Cancel show initially planned for victory (6)
Down
1 Stages becoming small after sixty minutes (7)
2 Suggested vacant pad to house drunk for free (9)
3 You will get empty gesture of approval in conclusion (3,3)
5 Repeat run picking up tempo (5)
6 Greed to possess an article but after losing an article — there’s a difference (8) VARIANCE
7 Pound in anger indicating channel on moon (5) RILLE
8 Convinced about interest on foreign exchange rising by half a dozen times (7)
9 Salt (boric) endlessly sprinkled around beltways (8) ORBITALs
16 Perhaps fine-tune a colour with appropriate shades (8) READJUST
17 Model’s filled with passion, kept in check somehow with trinket (9)
18 Something with distinct, independent existence loses its origin in copy, becoming the very opposite (8)ANTITYPE
19 Sorcerers entering in grand visual representation (7)
21 Examination’s through, normal to lose heart (7)
22 Pepper can easily produce this effect, hence almost an expression of contempt over unknown drug (6)
24 Ring, ring — stop ringing! (5)
25 Weapon injured breast dislodging bone (5)SABRE