Novak Djokovic is without a doubt one of the best tennis players on the planet, but it seems he is in tune with his musical side as well after posting a video on his Instagram showing off the pianist in him.
Djokovic wrote: "Let me play you a song and make you smile :) 🎶🎵London here I come!" and it's fair to say his skills on the piano are impressive!
The former long-time world number one lost his spot atop the rankings to Andy Murray after over 120 consecutive weeks ahead of his competitors and will be looking to win the tour finals in London for the fifth time in a row.
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The 29-year-old will also be looking to equal Roger Federer's record of six total wins of the tournament and put behind him the disappointing second half of 2016 that he has endured.
The Serb has failed to win either of the final two slams of the year and had a dismal Olympic Games after losing in the first round to Juan Martin del Potro.
However, the 12 time Grand Slam winner seemed in good spirits in his post on the social media site whilst performing Clair de Lune by French composer Claude Debussy.
Djokovic will open his title defence against Austrian youngster Dominic Thiem on Sunday and will also come up against Milos Raonic and Gael Monfils in his group in London.
Whilst Murray is the new number one, the ranking is far from secure with just a 405 point lead over Djokovic, who will be out to regain his throne, something he can do by winning all of his five matches, regardless of what Murray does.
Even if the Brit were to lose in the final to him, Djokovic would regain the number one spot provided he wins all of his group stage matches.
Murray has arguably the harder task to remain unbeaten though as he faces Kei Nishikori, Marin Cilic, and Stan Wawrinka in his group.
The top two players in each group advance to the semi-finals and the final is set to take place next Saturday, November 20.