Complex sentence: Ronstadt later recorded two additional discs of Latin music in the early 1990s; their promotion, like most of her albums in the 1990s, was a quieter affair for Ronstadt, where she appeared to do the "bare minimum" to promote them.
Split into simpler sentences: Ronstadt later recorded two additional discs of Latin music in the early 1990s. Although their promotion, like most of her albums in the 1990s, were a quieter affair for Ronstadt, where she appeared to do the "bare minimum" to promote them.