grammy nominated singer charlie wilson wants to change that.is music but you may not hear about the connection about the violent secret that was capped for so ma >> nearly 100 years ago in tulsa, oklahoma, a mob of white neighbors attacked the greenwood neighborhood known as black wall street. >> what happened to tulsa in 1921 was incredible violence destruction and devastation. someone hundred-300 people were killed. most of them were black. >> 30 blocks of homes and private businesses were ground. the many years noout thtulsa ra still don't want to talk about it. >> charlie wilson is the lead singer of the gap band and was born and raised in tulsa. he says he has always wanted to have this conversation. the band named themselves after greenwood arch and pine, the streets that border the old neighborhood. he said they tried to share the story of the massacre while they were on tour in the 1980s. >> people were just kind of looking at us like, are you sure? i have never heard this before. even when we told the story a lot of times, nobody reall