Complex sentence: Williams was the first African American Professor of Voice appointed to the voice faculty of what is now known as the Indiana University Jacobs School of Music in 1977 and in 1984 was the first African American instructor at the Central Conservatory of Music in Beijing, China.
Split into simpler sentences: Williams was the first African American Professor of Voice appointed to the voice faculty of what is now known as the Indiana University Jacobs School of Music in 1977. In 1984 she became the first African-American instructor at the Central Conservatory of Music in Beijing, China.