Mark Morrison is among the most popular American contemporary R & B artists .
Popular American contemporary R & B artists included Mariah Carey , Mark Morrison , Faith Evans , D'Angelo , Lauryn Hill , Whitney Houston , En Vogue , Toni Braxton , Boyz II Men , Mary J. Blige , Dru Hill , Vanessa L. Williams , Groove Theory , Bell Biv Devoe , Jodeci , Diana King , Tony !
1990s in music