Ed Sheerhan is being sued, for about $20 million dollars.
That's according to a court document filed in U.S. District court in California.
Whether you're a big fan of the English pop vocalist or not, you've heard his catchy song - "Photograph."
Songwriters, Martin Harrington and Thomas Leonard claim "Photograph" bears similarities with 39 identical notes to a tune named, "Amazing," a song they wrote in 2009.
"Amazing" was later released by X-factor winner Matt Cardle.
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The two songwriters are using the same lawyer who won a $7.4 million dollar copy infringement victory off of Pharrell Williams and Robin Thicke, regarding Marvin Gaye's sound-alike single, "Blurred Lines."