Longest marathon karaoke by multiple participants According to Official Guinness Records,
The longest karaoke marathon by multiple participants lasted for 792 hr 2 min in an event organised by Guangqi Honda Automobile Co., Ltd.(China) in Changchun, Jilin, China, between 22 May and 24 June 2014.
For a complete list of 2014 records, please visit 2014 Guinness Records in China .
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