Sir Paul McCartney feared his new album would ruin his career.


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The Beatles legend has just completed work on Electric Arguments, an ambient record with his side project The Fireman, which he says was recorded from entirely improvised sessions.

He said: “I had to make a disclaimer to the engineers. I said this could be the most embarrassing moment of my life. It was thrilling, but it could have been a terrible mistake. I could ruin my whole career.”

The 66-year-old musician also revealed his hatred of working alone.

Paul – who composed most of the early Beatles hits with the late John Lennon – says it gets too lonely if you don’t have other musicians to discuss ideas with.

He added: “I like having a collaborator. Otherwise I get the feeling of being an absentminded professor alone in his laboratory all day.

“I did the first solo McCartney record all on my own. It seemed a bit lonely. There’s a track on there that’s about 10 minutes long. Try playing maracas for 10 minutes in a row on your own. I was standing in the room thinking, ‘That’s it – I’ve really lost the plot.’ ”