Utterly impossible, I know! Didn't Sir Edmund climb Everest cos it was there? So why not give it a go? It'll be like chemistry lab where success was defined by who had the least amount of singed hair.

Across all the universe what are the greatest songs?

No rules. 'Greatest' means preference, popularity, influence, erm whatever you want. I'm going to impose a single entry per artist on myself so's I dun't bore you with 25 Bowie tunes. ;-)

1. Gimme Shelter - Rolling Stones
2. Last Goodbye - Jeff Buckley
3. Teenage Wildlife - David Bowie
4. Porcupine - Echo & the Bunnymen
5. Johnnie Hit and Run Pauline - X
6. A Day in the Life - Beatles
7. Leave Me Alone - New Order
8. Song 2 - Blur
9. Cupid Come - My Bloody Valentine
10. London Calling - Clash
11. She Sells Sanctuary - Cult
12. Fear of Drowning - British Sea Power
13. Dream On - Aerosmith
14. Kashmir - Led Zeppelin
15. Boys Better - Dandy Warhols
16. Disarm - Smashing Pumpkins
17. Spellbound - Siouxsie & the Banshees
18. Holidays in the Sun - Sex Pistols
19. Driver 8 - REM
20. Talk of the Town - Pretenders
21. Landslide - Fleetwood Mac
22. Vow - Garbage
23. Play for Today - Cure
24. Welcome to the Jungle - Guns 'N Roses
25. Morphine & Chocolate - 4 Non Blondes