In 2010, at the 2010 (Greater China) Business Annual Distributors Dinner held by BYD, Buffett, who has already passed 80 years, not only delivered a warm toast to the dealers, but also happily bounced his beloved Ukulele also performed and sang a song with Cha Kexin. The wonderful performance of the two people pushed the atmosphere of the dinner to the climax.
In 2012, Buffett appeared on the CCTV Network Spring Festival Evening and used ukulele to sing a song "I've Been Working on the Railroad", which sang the warm childhood memories of the elderly. This video is widely circulated, and Buffett’s level of singing is quite ok.
In 2015, ukulele was played again at the Berkshire Hathaway Division of Shareholders.
In 2015, at the Coca-Cola shareholders' meeting, a video of Buffett playing ukulele was broadcast live. He held the Coca-Cola classic 1971 ad song "Want to give the world a bottle of Coca-Cola" with Ukulele, and expressed his long-term optimism about Coca-Cola in this unique way. This video can also be found online.