Dekho Ab To Kisko Nahin Hai Khabar movie Janwar (1965) singer Asha Bhosle, Mohammed Rafi cast Shammi Kapoor

you could use melodious, mesmerizing, ravishing, captivating, charming, spellbinding, alluring, delightful, soul touching and other words in you compliment but the best would be to say your immediate thoughts and feelings which you really feel when you listen to the song