What better way to celebrate R.D. Burman's birth anniversary than by reminiscing all his greatest songs. And that's exactly what Chitrangada Chakraborty and Avantika Ganguly did when they jammed together on a some of his legendary music. What's more? The video has a cameo by none other than Kalki Koechlin who featured in the last couple of songs. 

What are you waiting for? Listen to it already:

Needless to say, this is going to play on loop!