Mambo No 5 singer Lou Bega had to confirm he was still alive after being confused with the late Lou Reed, according to reports.
He wrote: "RIP Lou Reed the genius who took Walks on the Wild side."
Lou added: "PS: I have been receiving tons of condolences because of a journalist confusing our identities.
"Lou Bega sends his condolences to Mr Reed's family."
US musician Reed's death on Sunday prompted a flood of tributes, with his old friend and collaborator David Bowie calling him "a master".