When you upload a song to your Google Play Music account, Google attempts to match it with their copy on the server, to save storage and improve the performance. Usually, this turns out to be good, because Google happens to have a better copy (larger bit rate) of your song, and they will stream that copy whenever you play this song.
In Google’s own words: “In order to upload your music quickly, Google Play matches your music files with copies on our server. Occassionally we might match with the wrong song. Report the problem here and the song will be corrected to use your copy instead of the matched copy,” But sometimes, Google can match the song wrong, streaming a wrong song. Here is how to fix it.
Find If The Song is Your Copy or Google’s Copy
First, you need to find out if the song that you are playing is Google’s copy or your copy. Click the 3-dot icon next to the song’s name in the desktop interface and see if you can find a menu item called “fix incorrect match”.
Now, Fix Incorrect Match
f you click “fix match”, you’ll get this message: “Please make sure that the computer where you keep this song is running Music Manager and is connected to the internet. The song will be uploaded again within the next day.”
via Google System