The 70s dance fad known as 'DISCO' was a popular genre of music and dance that originated in the United States in the early 1970s. It was characterized by a strong beat, repetitive rhythms, and flashy costumes. DISCO was often associated with nightclubs and discotheques, and it was a popular form of entertainment for many people during the decade. The genre was heavily influenced by funk, soul, and Latin music, and it was often seen as a symbol of the hedonistic lifestyle of the time.