ACROSS
 7. ←(.g)RIM ZI(g.)← = IZMIR <coastal city in Turkey>
 8. <composition> ORATORIO = ORATIO[-n] outside OR
10. (KRAALS IN)* = SRI LANKA <Commonwealth nation>
11. _AT_ _ON_ _AL_ = ATONAL <tuneless>
12. O ANGERS* ←ADO← = ORANGE SODA <soft drink>
13. <cuisine> FOOD = _F _O _O _D
14. I POD_ = IPOD <Apple tech>
16. S + CENT = SCENT <perfume>
18. <understood> KNEW = "GNU"
19. <dismiss> DROP = DR + OP
21. <work hard> BE AWAY outside AVER
23. <accord> UNISON = UN IS ON
24. OAR outside I LB + ON = OIL BARON <businessperson>
25. NUTTERS* S_ = TEST RUNS <trials>
26. <I'm pleased> GOODY = GO _O _D _Y

DOWN
 1. <paper> MIRROR = MI RR + OR
 2. <got on board> EMPLANED = PLAN inside E MED
 3. <toys> TRINKETS = T + RINK SET*
 4. R_O + O inside (PLEASURE AHOY)* = ROYAL OPERA HOUSE <music hall>
 5. _O_A _X_A_ CA = OAXACA <Mexican state>
 6. ←A RIG← SOLE = GIRASOLE <one seeming to burn>
 9. <type of switch> ON-OFF = ←NO← OF F
15. PYRE ←SEEN← = PYRENEES <mountain range>
17. (GOT HOLY)* outside _E = THEOLOGY <religious study>
18. "CRACK A TOW-ER" = KRAKATOA <volcanic island>
20. <propose> POSIT = POST outside _I_
21. P off HEPBURN* = BEN HUR <Nina {METRO GOLDWYN MAYER STUDIOS}'s film>
22. AN ON ←MY← = ANONYM <fake name>