Double Songs

[Android Central Question]

K, so I've had an S6 for a while now though it's been previously owned. All has been fine until recently when I used my SD card to copy my music to my brothers mp3, now there are double copies of my song,

I've found a few solutions but they're either too complicated for my noob brain or dont work. I've tried manually deleting them but when I delete one copy it deletes both?

If anyone has any solutions that'd be great

 

[B. Diddy]

Welcome to Android Central! What do you mean by copying your music to your brother's mp3? Do you mean his mp3 player? How did you use the SD card? Since the S6 doesn't have an SD slot, were you using a USB SD reader connected via OTG?