"Maybe it's Because I'm a Londoner"
From TheChels.info - The Chelsea Football Club Wiki
"Maybe it's Because I'm a Londoner" is a song written in the 1940s by Hubert Gregg. It has been sung by Chelsea fans for decades, and was part of a "London Medley", sung by the Chelsea squad, that featured on the 1972 Blue is the Colour album.
Maybe it's because I'm a Londoner,
That I love London so,
Maybe it's because I'm a Londoner,
That I think of her wherever I go.
I get a funny feeling inside of me (spunk),
When walking up and down,
Maybe it's because I'm a Londoner,
That I love London Town.