top 25 hits of 2010 according to Billboard.com:
1. TIK TOK - Ke$ha
2. NEED YOU NOW - Lady Antebellum
3. HEY, SOUL SISTER - Train
4. CALIFORNIA GURLS - Katy Perry Featuring Snoop Dogg
5. OMG - Usher Featuring will.i.am
6. AIRPLANES - B.o.B Featuring Hayley Williams
7. LOVE THE WAY YOU LIE - Eminem Featuring Rihanna
8. BAD ROMANCE - Lady Gaga
9. DYNAMITE - Taio Cruz
10. BREAK YOUR HEART - Taio Cruz Featuring Ludacris
11. NOTHIN' ON YOU - B.o.B Featuring Bruno Mars
12. I LIKE IT - Enrique Iglesias Featuring Pitbull
13. BEDROCK - Young Money Featuring Lloyd
14. IN MY HEAD - Jason Derulo
15. RUDE BOY - Rihanna
16. TELEPHONE - Lady Gaga Featuring Beyonce
17. TEENAGE DREAM - Katy Perry
18. JUST THE WAY YOU ARE - Bruno Mars
19. COOLER THAN ME - Mike Posner
20. IMMA BE - The Black Eyed Peas
21. EMPIRE STATE OF MIND - Jay-Z + Alicia Keys
22. DJ GOT US FALLIN' IN LOVE - Usher Featuring Pitbull
23. BILLIONAIRE - Travie McCoy Featuring Bruno Mars
24. NOT AFRAID - Eminem
25. REPLAY - Iyaz
"DJ Earworm (aka Jordan Roseman) is a San Francisco-based mashup artist who has achieved recognition for his technically sophisticated, songwriting oriented mashups. His annual “United State of Pop” mashups, short mixes featuring the top 25 songs of the year according to Billboard magazine, have reached the Top 100 for national radio play and become internet sensations." (wikipedia)