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.

Related Images

Other China records that might interest you:

• Largest one-day golf tournament
• Fastest time to descend fifty steps walking on hands
• Largest drivable vehicle made from interlocking plastic bricks
• Largest pillow
• Most expired medicine collected in 24 hours (multiple location)