Ae Aa O - Billu by KK, Rana Majumder, Suraj

KK, Rana Majumder, Suraj has delivered memorable performances before, but Ae Aa O - Billu sits comfortably among the very best. Behind the melody is the work of Pritam, whose composition choices give Ae Aa O - Billu its distinctive texture.

The vocal on Ae Aa O - Billu is among the better performances KK, Rana Majumder, Suraj has committed to record. Featuring a talented ensemble cast, the song carries the weight of the film's emotional arc and delivers it with conviction.

In 2009, Hindi produced many songs, but Ae Aa O - Billu was one of the handful that genuinely cut through. There is no right time to listen to Ae Aa O - Billu. There is only the moment you press play and realise it was the right choice.

At 4:58, the track does not overstay its welcome — it says what it needs to say and leaves the listener wanting more. It is, at the end of it, a very good song — and sometimes that is the only explanation that matters.