I had the same issue, what I did was go into “...” and press “like”. It then moves it to the liked songs section instead of the hidden songs and then once you unlike it, it doesn’t return to hidden songs
This "solution" only works if you know what songs you've hidden. Unfortunately, I have hidden dozens of songs played on radio stations created from playlists. I assumed they would only be hidden for whatever station I was listening to -- not across ALL of my Spotify account. I have searched high and low for a list of songs I have hidden in an attempt to recover them but it does not exist. This has to be fixed.
I had a "Hidden" Playlist showing in my Spotify Android Library with about 13 songs on it. |I wanted to get rid of this so called playlist.
Eventually I found that the solution was to go through each song one by one, first clicking the red no entry sign next to the song, then on the next screen clicking the heart (like) button. This removed each song from the Hidden list and when complete the Hidden playlist title vanished too.
Hey guys, i had the same problem, searched a lot for solution. Guys, i just found the solution. Created the account just to tell this.
Just Uninstall the app, and install it again. You will see greyed out songs in "Liked Songs" to be playable again. I found those same greyed out songs to be normal in mac spotify app, so i thought there must be something temporary in my current installation of android app. so reinstalled and tada!! solved.