generate questions: The early 1990s marked the softening of urban R&B at the same time alternative rock emerged and traditional pop saw a significant resurgence. This in part led to a widening of the market, not only allowing to cater to more niche markets, but it also became customary for artists to make AC-friendly singles.
What decade saw the emergence of alternative rock? {sep_token} What happened to urban R&B in the early 1990s? {sep_token} The resurgence of traditional pop was one of the factors that led to what change in the music market?