I have no sophisticated taste in music, I most of the time listen to what's on the radio (which is mostly pop and charts). I have a basic understanding of what a note is and what constitutes a melody, but that's about it. Also, since taste obviously varies, this question ventures on the verge of legitimacy, but I want you experts to be the judge of that.
Whenever I like a song seldomly I find myself being fond of the whole piece but rather only certain parts that sound very "melodic" to me (unknowingly if the word "melodic" is used correctly here). See my examples below:
Song 1: From 00:45 to around 01:04 sounds very appealing to me
Song 2: Right from the start until 00:21 evokes strong, positive emotion in me (without seeing the music video or experiencing any
other sensory stimulation), which I again attribute to its sounding
good to me
I have noticed that I frequently come across these appealing parts in songs that are in the general charts, i.e. composed and released to be liked by as many people as possible. This indicates to me that there is some common part in that kind of songs.
Music makes happy, (apparently) aides finding focus (athletes, ...) and does many other good things. To honor this I want to get to the bottom of why certain parts of songs sound good to me (i.e. evoke positive emotion) while others don't (for me).
Regarding the samples above, do they bare any music theoretical resemblance to each other?
What would be their music theoretical significance?