Name this musical group:
Fourth most successful group of the 1990s
One of only 4 artists to hold Billboard's number one spot for more than 50 weeks (the others are Elvis, the Beatles, and Mariah Carey).
One of only three artists to replace themselves at the top of the Billboard charts (the other two are Elvis and The Beatles).
Holds the record for most weeks at Billboards number one spot (16) (knocked Elvis off the top).
Also has songs tied for the second and third most weeks at the number one spot (14 and 13).
They were a quartet.
The group described above is known for their ballads and acapella harmony. Give up? The group consisted of two tenors, Wanya Morris and Shawn Stockman, a baritone,