New Bell - a notorious prison in Douala, Cameroon - is a city within a city. The clearest example of this spirit is Jail Time Records, an on-site music studio and label making mini stars out of the most talented prisoners. The Jail Time Records studio is rudimentary - a small, sweaty recording booth attached to a room inhabited by a solitary computer. Directed by Happi and Italian artist Dione Roach, his Jail Time Records co-founder, it was filmed in New Bell over six years. In the film, a prisoner named Stone raps into the studio's microphone: "Heart of stone, it's war.