ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɪks, ɹˈeɪnwɔːɾɚ dʒˈɔɪnd fˈoːɹsᵻz wɪð ɪnvˈɛstɚ sˈɪd bˈeɪs tə fˈɔːɹm ðɪ ɪnvˈɛstmənt fˈɜːm bˈeɪs bɹˈʌðɚz ˈɛntɚpɹˌaɪzᵻz.
In 1986, Rainwater joined forces with investor Sid Bass to form the investment firm Bass Brothers Enterprises.