This is unfortunately a common problem and the only way to beat the algorithm is to turn it against itself.
Create few playlists and add songs you like to them and also be diligent about liking and unliking songs. These will heavily influence your recommendations and you should be able to get back on track.
Create few playlists and add songs you like to them and also be diligent about liking and unliking songs. These will heavily influence your recommendations and you should be able to get back on track.