Top 10 Behind-the-Scenes Secrets of Famous Bands

10. Radiohead allowed fans to pay what they wanted for the digital download of 'In Rainbows'.

9. U2 actively participated in humanitarian causes.

8. Tensions between Sting and Stewart Copeland plagued The Police.

7. The Clash were deeply involved in political activism.

6. Nirvana's live shows were chaotic, often featuring Kurt Cobain's guitar smashing.

5. The Rolling Stones' Altamont concert ended tragically with a stabbing death.

4. Queen spent weeks perfecting songs in the studio driven by Freddie Mercury's standards

3. Pink Floyd's 'The Dark Side of the Moon' employed innovative recording techniques.

2. Led Zeppelin used pseudonyms to check into hotels during tours.

1. The Beatles' rooftop concert was a planned event kept secret until the last minute.

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