Suchetha Satish, set a new Guinness World Record for 'Most Languages Sung in a Concert' by singing in 120 languages for a duration of 7 hours and 20 minutes in a concert titled 'Music beyond Borders' at the Indian Consulate Auditorium Dubai on Aug 19th 2021
https://www.guinnessworldrecords.com/world-records/most-languages-sung-in-concert