If i can this countdown will be every day.....I will try

Close calls

23. Cartel - honestly
22. Fergie - london bridge
21. 30 seconds to mars - the kill

Top 20

20. Snoop Dogg - vato (DEBUT)
19. Ciara/Chamillionaire - get up (DEBUT)
18. Christina Aguilera - ain't no other man (DEBUT)
17. Rihanna - we ride (DEBUT)
16. AFI - love like winter (DEBUT)
15. Danity Kane - show stopper (DEBUT)
14. Cassie - lon way 2 go (DEBUT)
13. Jojo - too little too late (DEBUT)
12. Red Hot Chilli Peppers - tell me baby (DEBUT)
11. Evanescence - call me when you're sober (DEBUT)
10. Ok Go - here it goes again (DEBUT)
9. Chingy - pulling me back (DEBUT)
8. The Killers - when you were young (DEBUT)
7. Nelly Furtado - maneater (DEBUT)
6. Diddy /Nicole - come to me (DEBUT)
5. Nelly Furtado - say it right (DEBUT)
4. Ludacris/Pharrell - money maker (DEBUT)
3. The game - it's okay (DEBUT)
2. Beyonce - ring the alarm (DEBUT)
1. Justin Timberlake - sexyback (DEBUT)