In search of sad, melancholic, nostalgic songs.

As the title says, i' m searching for sad, melancholic, nostalgic songs like these following this post:

https://www.youtube.com/watch?v=wTe1ljdLt1E

https://www.youtube.com/watch?v=z1eD6h43i2U

https://www.youtube.com/watch?v=nBolS6tcuEU

https://www.youtube.com/watch?v=XSed6-p0cwY

https://www.youtube.com/watch?v=5_plcSqWEx4

https://www.youtube.com/watch?v=mezYFe9DLRk

Thanks a lot for your time!