Here's my list of my favorite Harry Potter songs, split in to two seconds of Fun Songs and Serious Songs which are then split in to the subsections of Randomly Happy and House Pride, and Angsty Feels and Pure Love Songs (I didn't include anysongs from A Very Potter Musical)

Fun HP Fandom Songs:

 

 

Purely Fun:

 

House Pride:

 

 

Serious Songs: 

Angsty Feelings:

Don't Leave (about Ron/Hermione)

 

Purely Love Songs: