In 1965, the Williams moved to Utah and starting working for Brigham Young University. Barbara was a violin special instructor and member of the Deseret String Quartet, touring and performing for many years. She soloed with many different orchestras around the country, and was concertmaster of the Utah Valley Symphony. Barbara participated in numerous soundtrack recordings for major motion pictures, television shows, commercial music, LDS media, ballets, and countless musical productions.
In 2012, BYU awarded her the Adjunct Faculty Excellence Award.
She passed away peacefully November 23, 2013.