Today Edgar B. Herwick III, Callie Crossley and Culture Show contributor Lisa Simmons, artistic and executive director of the Roxbury International Film Festival and program manager at Mass Cultural Council, go over the latest arts and culture headlines. First up, remembering Diane Keaton, the Oscar-winning actress of “Annie Hall,” “The Godfather,” and “Something’s Gotta Give.” Over five decades, Diane Keaton redefined Hollywood stardom with her originality, and offbeat authenticity.From there we reflect on D’Angelo, the R&B singer, songwriter, and producer behind “Brown Sugar"and “Voodoo” who died at 51. And we honor Susan Stamberg, a founding voice of NPR, who has died at 86. Her curiosity, and signature cranberry relish became synonymous with the golden age of public radio and its spirit of storytelling.Plus actor Stephen Graham is expanding his Netflix series Adolescence into a new book on masculinity. His project invites fathers around the world to write letters to their sons about what it means to be a man today — continuing the conversation his show began.