The Osmonds are an American family music group that gained fame in the 1970s. Originally formed as a barbershop quartet by brothers Alan, Wayne, Merrill, and Jay, they later expanded to include their younger siblings, Donny and Marie. The group is known for their harmonious pop and country music, as well as their television variety shows. The Osmonds achieved significant commercial success with hits like "One Bad Apple" and "Crazy Horses." They became a prominent part of American pop culture, often appearing on television and in concerts. Their unique blend of talent and family dynamics contributed to their lasting legacy in the music industry.