Across 1. Strange spirit goes back to give subdued grumble. (6) 4. Perform songs a couple of times for prison. (8) 10. Ask…um…to become a maker of heavy equipment. (7) 11. Hide ammo containers (in early English). (7) 12. Heath upset Wales making transistors in silicon chip rule. (6,3) 15. Suitable note for an old song. (5) 16. Foreign coin ok back before Beijing’s airport. (5) 19. No holy lady gets a charge from being unassociated with labor group. (3-5) 21. Crumbled bagel? Get all upset and display part of forehead... (8) 22. …as the consequence of undue speed. (5) 25. Garfunkel joins the Spanish-Russian workers’ guild… (5) 26. …with stronger reason for a trio. I find that’s surprising! (1,8) 29. Drag away loot? It’s no longer available. (4,3) 31. Deathly apparatus caused by gate closing around decay. (7) 32. Doubled court power with humorous name for remote town. (4,4) 33. Individual’s life-force takes tea? That is pretentiou...