Explanation:

- Option 1: Zakir Hussain

- Zakir Hussain is a renowned Indian tabla virtuoso and composer. Known for his percussion skills, he is not commonly known as 'Panchamda'.

- Option 2: Jagjit Singh

- Jagjit Singh was an iconic Indian ghazal singer, songwriter, and musician. His work mainly revolved around ghazals and not popular music compositions.

- Option 3: AR Rahman

- AR Rahman is a legendary Indian music director and composer, famous for his work in Indian cinema and international films. He is not referred to as 'Panchamda'.

- Option 4: RD Burman

- RD Burman, a legendary Indian music composer, is popularly known as 'Panchamda'. His innovative music compositions in Bollywood have left a lasting impact.