Hum Tum Yug Yug Se Romantic Song 1967 movie Milan stars Sunil Dutt, Nutan singer Mukesh

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