On October 27, 2022, the founder of Khazar University, chairman of the Board of Directors and Trustees, professor, academician Hamlet Isakhanli and the Khazar University Chamber Orchestra took part in the event held on the occasion of the UN Day and the 30th anniversary of UN-Azerbaijan cooperation. The chamber orchestra demonstrated its high skills by playing the Anthem of Azerbaijan and classical national music consisting of 3 parts.

After the event, Vladanka Andreeva, the Resident Coordinator of the UN in Azerbaijan, addressed a letter of gratitude to professor, academician Hamlet Isakhanli and a certificate awarding the Chamber Orchestra.