All-4-One is an American male vocal R&B group from California, formed in 1993. They gained significant popularity in the mid-1990s, particularly with their hit song "I Swear", which reached number one on the US charts. Known for their harmonious vocals and romantic ballads, the group has been associated with the pop and R&B genres. All-4-One has contributed to the global appeal of 1990s R&B, leaving a lasting impression with their timeless love songs.

• Genres: R&B, Поп, Иностранный рок
• Country: USA
• Language: English