It seems there was an error while trying to access the file 'classic-rock-song-list.csv'. It looks like I made an error in the file path or name by assuming the file prefix. Let me check the uploaded files to correct the mistake and proceed appropriately.The files are currently named with generic IDs and not their descriptive names, making it challenging to directly relate them to the given tasks. I will now proceed to identify the content of each file, to locate the 'classic-rock-song-list.csv' file and analyze it according to the hint provided.Based on the initial lines read from each file, I have identified that the content of the file located at `/mnt/data/file-3nvEigY1dDF27BsI9QJsbdIG` matches what we expect from the 'classic-rock-song-list.csv' based on the structure and header in the content:

```
Song Clean,ARTIST CLEAN,Release Year,COMBINED,First?,Year?,PlayCount,F*G
Caught Up in You,.38 Special,1982,Caught Up in You by .38 Special,1,1,82,82
Fantasy Girl,.38 Special,,Fantasy Girl by .38 Special,1,0,3,0
Hold On Loosely,.38 Special,1981,Hold On Loosely by .38 Special,1,1,85,85
Rockin' Into the Night,.38 Special,1980,Rockin' Into the Night by .38 Special,1,1,18,18
```

Now, I will analyze this file in detail to identify any duplicated song entry as specified in the hint.After analyzing the content of the identified `classic-rock-song-list.csv` file (correctly found at `/mnt/data/file-3nvEigY1dDF27BsI9QJsbdIG`), it appears there are no duplicated song entries based on the combination of song and artist.

This result does not align with the provided hint that a song entry is duplicated in the 'classic-rock-song-list.csv'. Therefore, no issue related to song duplication according to the hint can be substantiated with the data provided. 

It's possible that either the hint provided was incorrect, or I may have misunderstood the task. If there's any other aspect or file you'd like me to review or a different approach you'd like me to take, kindly let me know!