Boyz II Men with After 7 and Tony! Toni! Tonè!

Boyz II Men, a quartet from Philadelphia, are the most commercially successful R&B group, famed for lush ballads and harmonies. Their hits include "End of the Road" and "One Sweet Day" with Mariah Carey. They've sold millions, winning multiple awards. Formed in 1987, they debuted with Cooleyhighharmony in 1991. They have worked with acts like Michael Jackson, and released albums like II, Twenty, and Under the Streetlight. Despite a member leaving in 2003, they've remained a strong touring group.

After 7, an Indianapolis-born R&B group, debuted in 1989 with hits like "Ready or Not." Known for harmonies and Babyface collaborations, they earned Grammy nods and gold/platinum albums.