Blur left Sir Elton John confused with a song about his penis – and bassist Alex James was too embarrassed to explain the track to the legendary singer.

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The Britpop group – comprising singer Damon Albarn, bassist Alex James, guitarist Graham Coxon and drummer Dave Rowntree – included the ballad Sir Elton John’s C**k on their Blur 21 box set, which was released last year and Alex admits he was embarrassed when the Rocket Man hitmaker asked him about the track.

He said: “I bumped into Sir Elton and he said, ‘What’s all this I hear about you and my c**k?’

“I didn’t know him well enough to tell him the proper answer.”

The 43-year-old musician claimed the track was given the name because it was “too sentimental”.

He added to the Daily Star: “We wrote this song but realised it was too sentimental. One of us muttered, ‘That’s Elton John’s c**k.'”

Alex has been playing bass with Florence + The Machine, New Order’s Bernard Sumner and Dexys as well as working with Blur, and he recently revealed that taking a break from his family life on a cheese farm has been a welcome change.

He said: “Going on stage is such a rush. The travelling is exhausting but it’s a huge fountain of energy up there.

“Besides, I’ve got five kids, so it was nice to just sit around in dressing rooms.”