So, and for obvious reasons this seems like the best way to do it, let's allow for potential answers to be chosen from not only R&B artists with songs that came out in 1998, but also from only R&B artists with songs that came out in 1998 that, at one time in that year, made it to no. 1 on Billboard's Hot R&B …
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Who Was the Best at Having Sex in 1998? (According to No. 1 R&B Songs)