soul song
A person's soul song is a song that they've never heard before, but when it comes on the radio (or is played in some other manner) they immediately know all the words.
Money in the Bank is Sam's soul song. She totally knew all the words even though she's never heard it before!
Soul Song
That one song that resonates with you on a deeper level than any other song. Soul songs are “nostalgic overloads”, even though you may never have heard it before.
“I only found my soul song last April but it feels as though I’ve been listening to it my whole life”
“I found my soul song yesterday but it’s not even part of my music taste”
“I found my soul song yesterday but it’s not even part of my music taste”
Song Soul
When a person only likes songs that have no soul, meaning, or reason behind them. Songs that consist of shallow put together music.
Damn dude you don't like that song? You got no song soul man!