Aji Rooth Kar Ab Kahan Jaaiyega singer Lata Mangeshkar movie Arzoo [1965] Stars Sadhana, Rajendra Kumar, and Feroz Khan.

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