Cold Case: Inquires about a certain aired episode

Well, I'm pretty sure that this has to do with NCIS OR Cold Case, but here it goes.

I was flipping through the channels and finally recognized this song I really liked. It was an acoustic guitar song, but the episode abruptly ended and I didn't get to catch some of the lyrics of the song. So, basically... the last scene I saw was with this old man... taking a violin out of its case. And then, it ended. I'm not sure if this could ring any bells, but if it does... what episode of Cold Case was it? Or... what is the same of the song if you know which one I'm referring to.

Thanks in advance.



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