The Osmonds are a family music group known for their diverse range of styles, from barbershop music to pop and rock. Formed in 1958, the band originally comprised brothers Alan, Wayne, Merrill, and Jay Osmond, with younger siblings Donny and Marie later joining. They achieved significant commercial success in the 1970s, particularly with hits like "One Bad Apple" and "Crazy Horses". Notably, Donny and Marie also branched out into television, further extending the Osmond brand's influence in the entertainment industry.