The song "What Jhumka?" is a dance number from the movie "Rocky Aur Rani Kii Prem Kahaani". It is sung by Arijit Singh and Jonita Gandhi, with music composed by Pritam and lyrics written by Amitabh Bhattacharya. The song is a tribute to the iconic Asha Bhosle song "Jhumka Gira Re". The song has a catchy tune and has received positive feedback from fans.