I'm having the same problem. I listen mostly through my Smart tv's, all LG. The duplicate stations are; 2 of Shannon and the Clams, 3 of Sun 60 Radio, 2 of Cinematic Orchestra, 2 of Lush Radio.They all have different playlists. I will do as one person did and take the thumbs up and seed them into to one station. In addition Pandor will add random stations to my collection that I didn't request or create. They are all generic Pandora stations; Black Music Forever, Pandora Meditation Radio, Top Thumb 100, Pandora Chill Radio, Chill Holiday Radio, Deep House Radio by Pandora, The Stak Radio by Pandora Indie, Reggae Radio by Pandora Reggae, Classic Gospel by Pandora Gospel. What I have seen a number of times is when I'm listen to a station and I thumbs up a song I will get a message that says "We created a station based on what ever song I thumbs upped". Pretty sure that is not supposed to happen.
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