Claim: In addition to football games, Snyder Stadium was used for a 1987 Farm Aid concert, organized by Willie Nelson, John Mellencamp and Prince,  to raise money for family farmers in danger of losing their farms to mortgage debt --- they drew a crowd of 80,000 people.
Evidence: The concert was organized by Willie Nelson, John Mellencamp and Neil Young, with the intent to help American farmers in danger of losing their farms through mortgage debt. 
Willie Nelson, John Mellencamp and Neil Young