Streaming/playlist question

Could anyone shed some light on this?
I 've added my own streaming stations to the Library and eliminated the ones there I didn't want. The oddity is that when I double click some of them (only two, if memory serves) they show in the Playlist and immediately start connecting, buffering and playing. The others only show in the Playlist when I double click them in the Library. I then have to double click them in the Playlist to start connection, buffering and playing.
I saved my own playlist of local songs in the Library and they start playing immediately when I double click that entry in the Library.
Any ideas?
I 've added my own streaming stations to the Library and eliminated the ones there I didn't want. The oddity is that when I double click some of them (only two, if memory serves) they show in the Playlist and immediately start connecting, buffering and playing. The others only show in the Playlist when I double click them in the Library. I then have to double click them in the Playlist to start connection, buffering and playing.
I saved my own playlist of local songs in the Library and they start playing immediately when I double click that entry in the Library.
Any ideas?