She grew up in Detroit, birthplace of Motown, where the party was never-ending, but the rivalry was as big as the bouffants. On one occasion, Motown’s Tammi Terrell burst into her dressing room wielding a gun to boast she could “out-sing” her on “any day of the week”. Berry Gordy Jr, the label’s founder, never brought her on to his sparkling roster.
https://www.theguardian.com/music/2020/aug/27/bettye-lavette-james-brown-kanye-west-aretha-franklin-kamala-harris?

Who did sign Bettye to Motown?