With major success came challenges. They faced standard girl group struggles, struggling to have personal lives while maintaining relentless recording and touring schedules. When original member Rosalind Ashford left in 1968, Martha recruited Sandra Tilley and the lineup of Martha and Lois Reeves and Tilley continued until 1972 when the group disbanded shortly after issuing the "Black Magic" album. In 1972, after Motown moved from Detroit to Los Angeles, Reeves negotiated out of her contract, ending her tenure with the label.