New Delhi, Jan. 28 -- Remember Shammi Kapoor's carefree, flamboyant, high-energy moves, and Mumtaz's cabaret/jazz-infused dance in 'Aaj Kal Tere Mere Pyar Ke Charche' (Brahmachari, 1968)? Mohammed Rafi's vocals perfectly matched Shammi Kapoor's breezy steps. But who was the singer whose voice blended so seamlessly with Mumtaz's bewitching routine on the dance floor?

Chances are the average Hindi film music listener will answer: Lata Mangeshkar. He will be certain-there is no reason to doubt.

Take the good-natured ribbing in the exuberant 'Na Na Karte Pyar Tumhi Se Kar Baithe' (Jab Jab Phool Khile, 1965). Who is the female singer matching Rafi's playful rendition? Lata, the listener will answer, without hesitation. Why do you ask?

The r...