So just imagine how pissed an artist would be if they ever found out someone else replicated note patterns — and sometimes entire lyrics — from a song they'd written themselves. Sadly, this sort of recycling happens a lot in music — accidentally or otherwise.

Even worse, most of the offenders have been big names in this industry: Ed Sheeran, Katy Perry, and Sam Smith are among the many stars who’ve been met with more than just a side-eye for allegedly poaching material for their biggest hits.

Check out our gallery above to see which acts have been accused of ripping off other artists.

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