During the 50s and 60s Horse Beat or Tonga, songs were very common. Those days Tongas were the main mean of transport in Indian cities. Victoria which was also called a Tonga or Baggi which was pulled by or trotted by one or two horses produces a typical rhythm. The musical notes of a horse’s galloping have remained etched in our memories even today.
It is believed that O P Nayyar is the music director who gave us the Tonga or Horse beat songs but that is not true. Before O P Nayyar it was S D Burman, Naushad, Roshan who gave many of these beats songs. Remember the song of Deedar (1951) Bachpan Ke Din Bhula Na Dena and the song of Bawre Nain(1950) Ghir ghir ke aasmaan par chhaane lagi ghataayen with one of my fav singer Raj Kumari singing for my fav actress Geeta Bali.
On researching the songs with horse beats, I came across the song Chale pavan ki chaal by Pankaj Mullick from Doctor (1941), This is the earliest known instance of such a song I could stumble upon.