Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Ƙungiyoyi biyu na farko sune Vegas Kings (1957 - 1958) da Ronnie & The Rumblers (1958).
Tabbas, wani nau'i mai rikitarwa na jumla shine "Ƙungiyoyi biyu na farko sune The Vegas Kings (1957 - 1958) da Ronnie & The Rumblers (1958), tare da irin wannan ƙungiyar, sai dai ga tsohon mawaƙa Billy De Wolf da kuma saxo player Jack Musci. "