What is Sam Cooke's messages to the black community in a change is gonna come?

In "A Change is Gonna Come," Sam Cooke addresses the struggles and injustices faced by the Black community, while also conveying a message of hope and resilience. He reflects on the challenges of the Civil Rights Movement and expresses his belief that positive change is on the horizon despite the adversity faced. Cooke's song has become an anthem for the civil rights struggle and continues to inspire generations with its message of perseverance and hope.