The Williams Brothers featuring Andy Williams were a singing quartet formed in the mid-1930s. They initially entertained on radio stations and later appeared in four musical films in the 1940s. After recording with Bing Crosby led to a nightclub act backing Kay Thompson, they broke up in the early 1950s and went their separate ways. Sometimes referred to the second generation, twins Andrew and David began as teen idols and a musical duo in the 1970s, performing extensively on radio, television, and in movies and nightclubs.