I love a wide variety of music from a broad selection of genres and time periods. As a person gains life experience and the wealth of their experience increases, the examples you can choose from increases exponentially. There are too many amazing songs out there to narrow it down to just one. Sorry for the nonanswer, but music is special to me, and I can't really break it down much more than that. A good rule of thumb, if I picked it for a chapter starter, or an in chapter song for QC, it definitely spoke to me when I was writing it. Thanks for the well wishes.