Kammala jumla mai zuwa: An san shi musamman don wasan kwaikwayo na kiɗa, Powell ya bayyana a cikin rawar da ba a taɓa gani ba a cikin "The Female Animal" daga Universal Pictures a 1958, wanda ya zama fim na ƙarshe na co-star Hedy Lamarr. A cikin 1956, Powell ya yi rikodin waƙar "True Love", wanda ya hau zuwa 15 a kan jadawalin Billboard da 107 a kan jadawalin pop don wannan shekarar, a cewar Joel Whitburn tarin. Wannan ita ce kawai ta daya da za ta shiga cikin sigogi. Hakanan a cikin 1956, Powell ya yi waƙar "Ba zan taɓa daina ƙaunarku ba" a
Kyautar Kwalejin Kimiyya ta 28.