Melody is a one which makes u listine to it with causing distrubance level in mind less some of old Raagas do that ,you can seelp listineing to Melodies but I doubt that in any other musics such as Metal,Rock,Rap etc..  will do that if it does please share your exprience .. some of ancient classical Indian music is of this kind . The songs in this post is very little westrensized , well if you dont understand the language , just attempt to listine after all music is a feel ,music dont have a language.

Rolling in the Deep