Jagjit Singh. Whatever I write in praise of him, that will be redundant. You people are good Googlers anyway. Would just say, please listen to some of his songs before you die. Prayerful listening, as they say. 

(Browse through some of the hundred Best Lyrics of his songs. (Place your mouse over the difficult , colored words to get their meaning. You would understand them unless you are a complete stranger to Hindi and Urdu ! ) Though you can get the literal meaning of the words from this page, I must mention here that the real deep meaning lies in the combination of these words which may be something completely different ! 

- Piyush