R-T,
that's stuff I don't even know, I have to watch the related videos on youube, when I get time. I looked up the groups youposted, there was little I could find out about them, Patti and The Emblems came from Camden, New Jersey.
barbarella,
that's a great song by the Delfonics,
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The Stylistics - I'm Stone in Love With You
With oldies, it's hard to find the original song with a good video that goes along with the song, that's not a home-made cheesy video. If I see a half decent live version on youtube of a song I rather post that then a still-frame. Plus you see the group in action. I particularly like the way this one is done.