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In page The Andrews Sisters:

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Patty, Maxene, and LaVerne appeared in 17 Hollywood films. Their first picture, Argentine Nights, paired them with another enthusiastic trio, the Ritz Brothers.[1] Universal Pictures, always budget-conscious, refused to hire a choreographer, so the Ritzes taught the sisters some eccentric steps. Thus, in Argentine Nights and the sisters' next film, Buck Privates, the Andrews Sisters dance like the Ritz Brothers.[citation needed]