Sounds like Sherlock is a fan of Pink Floyd.

Benedict Cumberbatch attended former Floyd guitarist David Gilmour’s concert at London’s Royal Albert Hall on Wednesday, the third of a planned five-night stay. During the performance of The Wall hit “Comfortably Numb,” the Oscar nominee hopped on stage, grabbed the mic, and performed the vocal section sung by Roger Waters on the studio version.

The star of Marvel’s Dr. Strange is no stranger to singing. Cumberbatch recorded “Can’t Keep It Inside” for the film August: Osage County in 2013.

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