Without any sense of nostalgia, I think any one with a minimum ear for good music will say that Mohd. Rafi was the BEST. Kishore was a close second. My top 10 Rafi numbers are:
1. Abhi Na Jao Chhod Kar (Hum Dono) 2. Tumne Mujhe Dekha (Teesri Manzil) 3. Jinhe Naaz Hai Hind Pe (Pyaasa) 4. Jaane Kya Dhoondhti Rehti Hain (Shola Aur Shabnam) 5. Tere Mere Sapne Ab Ek Rang (Guide) 6. Chal Ud Ja Re Panchi (Bhabhi) 7. Jab Jab Bahar Aaye (Taqdeer) 8. Mann Tadpat Hari Darshan Ko Aaj (Baiju Bawra) 9. Nain Lad Jayein Hain (Gunga Jamuna) 10. Main Jat Yamkla Pagla Deewana (Pratigya)