The show created by Don Cornelius is:
A. Soul Train
Don Cornelius created and hosted "Soul Train," which was a groundbreaking television music and dance program that aired from 1971 to 2006. It was known for featuring performances by popular R&B, soul, funk, disco, and hip-hop artists, as well as showcasing dance styles like the "Soul Train line." The show played a significant role in promoting African American music and culture on television.