New to Linux, can't find muh dern files.

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134KB, 504x357px

I moved to Zorin after windows took a shit on my computer and killed itself. I recovered my hard drive, but I was recently looking through my music folder and a number of albums and bands are missing.
It doesn't appear to have any rhyme or reason, so I figured it was a problem with the recovery. But the folder size is the same as my flashdrive, which I know has all of my music on it.
To make things even more confusing is that the missing albums and artists aren't showing up when I search the flashdrive either. I haven't had a chance to check the drive on another computer yet, just wondering, has anyone else had this issue with linux not displaying certain files? It's entirely possibly that the invisible albums are saved in a different file type than the rest, but it's been so long I can't remember what was saved as what anymore.
It's a large quantity of the music as well, I would guess about a third to a quarter. But the folder still says 86 gigs, just like the flashdrive. And if my memory is correct,t hat was the original size of my music folder before as well, so I doubt that anything is actually missing, it's just not visible.