congrats!!!!!! you found out what a melody/leitmotif is!!!
A melody is.. a sequence of single musical notes arranged in a rhythmic pattern to form a recognizable tune or "the tune" of a song.
And a leitmotif (according to Google) is..
a recurrent theme throughout a musical or literary composition, associated with a particular person, idea, or situation.
these were grabbed from google so you can fucking learn music you dumbass 4 year old