There are many groups named Uptown. Discogs has 8 groups named Uptown. Here few of them:
Raie Dacosta, also known as Uptown, late 80s Brooklyn rapper. Released only one record on Tommy Boy Records as a solo artist, but that one record was the all-time hip-hop classic "Dope On Plastic". In the 90s he worked with Branford Marsalis and his crossover band Buckshot LeFonque.
Group from 1983: Song "(I know) I'm Loosing You"….
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