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. The second generation of Williams Brothers, 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.