In this Sept. 11, 2019 photo, Jerry Pierce, Vice President of external affairs at Northwestern State University, attended the Sept. 20, 1973 Jim Croce concert, an event commemorated here with a plaque at Prather Coliseum in Natchitoches, La.. Croce and five others were killed in a plane crash on Sept. 20, 1973. (Greg Hilburn/The News-Star via AP)