Madonna's processed voice does a cameo in Britney's new album

Washington, November 28 : Britney Spears' new album 'Circus' has a song that contains Madonna's processed voice.

The Material Girl's trademark voice can be heard for about 50 seconds in the song titled 'Kill the Lights'.

A whole verse has been sung in Madge's voice, including the line: "There's more to me than what you see."

The song is about paparazzi, one of the least interesting subjects known to man.

Britney even makes a throwaway reference to Madonna in later in the song, which is suggested to eligible to become a big dance hit in clubs.

"Is Madonna gonna get the best of you?" Fox News quoted her as teasing.

Circus is scheduled for release on December 2, but it is all over the internet in different forms.

It is said to be a well-produced album with lots of catchy dance tracks.

ANI