Yep. I remember it well. My first kid was born that year, and Madonna was (nominally) an R&B singer. Lots of folks might be unaware of it, but that's the genre where she made her first mark.
She was excellent in those days, too. Not long afterwards, she drifted in the direction of disco, then went full pop. I thought it was a real waste of talent at the time.
Well, now I’m gonna have to go look it up! I could have sworn she didn’t have any charted hits until the 83-84 time frame. (of course my old brain is fading fast so who knows, heck I could be off 20 years!!!)