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Backhand Boys: Roger Federer`s `band` takes social media by storm - WATCH
And giving them company on piano was Grammy Award-winning music producer David Foster, who happens to be Hass` father-in-law.
New Delhi: Roger Federer can also sing. The 18-time Grand Slam singles winner is, in fact, thinking about starting a boy band along with Grigor Dimitrov and Tommy Haas.
The Swiss maestro shared a tweet on Saturday, revealing the name the One-handed Backhand Boys or Backhand Boys for short.
The tweet also carried a video of the trio singing 'Hard to Say I’m Sorry' by the American rock band Chicago.
And giving them company on piano was Grammy Award-winning music producer David Foster, who happens to be Hass' father-in-law.