16 Bars, the official documentary soundtrack, offers a rare glimpse at the stories and songs locked away in our nation’s jails and prisons. The documentary follows a unique rehabilitation effort in a Virginia jail that encourages inmates to write and record original music. In the jail’s makeshift recording studio, four men collaborate to produce an album with Grammy-winner Todd “Speech” Thomas of Arrested Development. As the creative process unfolds, these incarcerated artists confront their pasts, and dig deep to express the trauma of living through poverty, addiction and violence. The film, and this album, documents Speech’s journey to the Richmond City Jail, where he conducted music workshops with inmates. His…