1. 20's
2. 30's
3. 40's
4. 50's
5. 60's
6. 70's
8. 80's
9. 90's
10. 2000
When I was young I started to listen to the 50's song(Mukeshji), then moved onto the 60's(Rafisaab), 70's(Kishoreda) and now the 40's(vintage stuff KL Saigal, Shamsad Begum).
But I think the best was 60's but my favorite is the 70's and the worst is 1985-1990.