At an opening party for the Croatian Open tournament in Umag, Alexandr Dolgopolov of the Ukraine appeared on stage to perform, with the help of a hook-singing gentleman, "Gangsta's Paradise" by Coolio. The ATP World Tour put up the video here.

But that's not all. Gael Monfils then joined "The Dog" on stage for a rendition of Eminem's "The Real Slim Shady"—behold. (Caution: very explicit language.)

There's precedent for this. In 2011, Dolgopolov teamed up with a female singer for a live version of Rihanna and Eminem's hit, "Love the Way You Lie." Roll footage:

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The performances are shaky and out-of-tune—the singers' issues, not Dolgopolov's, per se. Not to mention the questionable, random lyrical content of each, given the audience. While the Spin wants to say "Don't quit your day job" to the tennis player, on the other hand, these sufficiently awkward situations are also sort of fun to view.

What's your own take on it?

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