Qadree El Amin

Even as they drive slowly into the Shrine Auditorium parking lot for the Grammy rehearsals, the four members of the smash vocal group Boyz II Men seem to be moving at warp speed. With huge bodyguards leading the way as they hop out of their two Mercedes-Benzes, they flash broad, inviting smiles reflecting the quiet confidence and boyish nature that have made the squeaky-clean Philadelphians the new kings of R&B.

Even as they drive slowly into the Shrine Auditorium parking lot for the Grammy rehearsals, the four members of the smash vocal group Boyz II Men seem to be moving at warp speed. With huge bodyguards leading the way as they hop out of their two Mercedes-Benzes, they flash broad, inviting smiles reflecting the quiet confidence and boyish nature that have made the squeaky-clean Philadelphians the new kings of R&B.

In music, as in sports, changing managers is usually a sign that things haven't been going well. And making that change early in the season--or shortly after an album's release--can be a sign of panic. So music business watchers were caught off guard when Janet Jackson fired her new management team and returned to her former manager, just a few weeks after her new album, "The Velvet Rope," debuted at No. 1 with first-week sales of more than 200,000.