Aaja Tujhe Pyar Kar Loon - Ehsan by Asha Bhosle, Kishore Kumar

There is an honesty to Aaja Tujhe Pyar Kar Loon - Ehsan that separates it from most Hindi songs released around the same time. R.D. Burman sets the tone from the very first bar — it is clear from the opening notes that this song means business.

Asha Bhosle, Kishore Kumar delivers the lyrics with a nuance that turns an already strong song into something genuinely moving. The connection between Joy Mukherjee, Anjana, Rajendranath, Bambi, Helen, Aruna Irani, Madan Puri, Shabnam and this song is part of what makes it resonate beyond the film itself.

The song dates from 1970, but nothing about it sounds dated — the emotions it captures are not tied to a moment. It fits the playlist for almost any occasion, which is rare — most songs have a narrow emotional window. This one does not.

Running to 4:28, the song is exactly as long as it needs to be, which is the hardest length for a songwriter to find. The staying power of Aaja Tujhe Pyar Kar Loon - Ehsan is not a mystery. It is just what happens when every element of a song is exactly right.