Suchetha Satish set the Guinness World Records for the most languages sung in a concert on Nov 24th 2023 during her Concert for Climate performed as a prelude to the COP28 summit, when she sang in 140 languages in 9 hours. The number 140 was chosen to symbolically represent the 140 nation heads invited by the UAE for the historic summit.

https://ddnews.gov.in/international/suchetha-satish-india-sets-world-record-singing-140-languages-concert-climate-0

https://www.independent.co.uk/asia/india/guinness-world-record-languages-concert-b2474945.html

https://www.guinnessworldrecords.com/world-records/most-languages-sung-in-concert

https://newsonair.gov.in/News?title=Suchetha-Satish-sets-new-world-record-for-singing-in-most-languages-during-single-concert-in-Dubai&id=474705

https://gulfnews.com/uae/environment/concert-for-climate-indian-expat-in-dubai-sings-for-9-hours-in-140-languages-1.99592402