You are listening to a song and want to find more songs like it, However every time you search for similar content your results are full of music you've already heard or listened to. A feature that could suggest songs similar to the song you are currently listening to while filtering out songs that already exist in your "liked songs" or playlists would allow for deeper genre diving and exploration.
Now you might be listening to a song and decide you would like to make a playlist with it. You decide you listen to a lot of music in this setting or genre and want to find songs that you have already "liked" to make a playlist with. A "Just Like..." Feature could return results that are specifically within the listeners "Liked Songs" and Playlists. This would help to comb libraries that might be several thousand songs long.
Both features could be housed in the song options menu near the "Go to song radio" feature.
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