7 March 1975 Bloody Sunday: State troopers used nightsticks and tear gas to attack American civil rights activists as they crossed a bridge in Selma, Alabama, during their attempted march to the state capitol in Montgomery. The album "Freedom Songs: Selma, Alabama", was recorded by Carl Benkert during the Selma to Montgomery marches.
Selma to Montgomery marches , article from Wikipedia     https://en.wikipedia.org/wiki/Selma_to_Montgomery_marches

FREEDOM SONGS:SELMA ALABAMA   - Various Artists. Full album on YouTube       https://www.youtube.com/playlist?list=OLAK5uy_mKysxGpg-LYB9qo1nF-Z_W5gr8j8PxPKo
Freedom Songs: Selma Alabama , article with Lyrics from Folkways Records     https://www.crmvet.org/crmpics/albums/65_selma.pdf