 She provided backing vocals for variety of acts including Barbra Streisand, Debbie Reynolds, Joe Cocker and Stevie Wonder.In the 1970's she was diagnosed with sarcoidosis which required lung surgery and derailed her singing career.In 1986 and 1987, Montgomery toured Europe with former members of the Kings of Rhythm, including Jimmy Hinds, Clayton Love, Billy Gayles, Erskine Oglesby, Stacy Johnson and Oliver Sain, as part of the St. Louis Kings of Rhythm.