1. The Beatles and Nirvana have both been outsold in singles by Ke$ha's single "Tik-Tok".

2. Flo Rida's track "Low" sold 2 million more copies than "Hey Jude" by The Beatles.

3. While we're on the subject of John Lennon and co, TV show Glee has had more top 100 US hits than the Fab Four.

4. And Emeli Sandé beat the record set by The Beatles for the most consecutive weeks in the UK's top 10 chart for a debut album – 63, compared to 62.

5. Justin Bieber has 55 million Twitter followers, more than Barack Obama and Pope Francis combined.

6. The Baha Men have a Grammy award – unlike stellar acts like The Kinks, Tupac Shakur, and Iggy Pop.

7. Rihanna has had 10 No. 1 singles. Led Zeppelin, REM, and Depeche Mode have never had one.