Crime writer Ann Cleeves, theologian Mona Siddiqui, deep sea fish expert and podcast host Thomas Linley and poet Jake Morris-Campbell join Matthew Sweet to explore areas beyond the reach of light, both literally and metaphorically, as part of Radio 3's overnight festival at Sage Gateshead.

What darkness makes someone commit a murder? Shetland and Vera are two TV series developed from the crime novels of Ann Cleeves. Her most recent book is The Heron's Cry featuring detective Matthew Venn and his colleague Jen Rafferty, played on TV in an adaptation of The Long Call by Ben Aldridge and Pearl Mackie.
Poet and New Generation Thinker Jake Morris-Campbell writes about the mining communities of Northumberland and Durham and the experience of working in darkness.
Professor Mona Siddiqui joined the University of Edinburgh’s Divinity school in December 2011 as the first Muslim to hold a Chair in Islamic and Interreligious Studies
Dr Thomas Linley hosts The Deep-Sea podcast and researches the behaviour of deep sea fish. He's based at Newcastle University.

Producer: Torquil MacLeod

Part of Radio 3’s After Dark Festival, a major new live music festival for 2022 in partnership with Sage Gateshead and TUSK Music, featuring some of the biggest names in contemporary, classical and experimental music. For all related content, search “After Dark Festival” in BBC Sounds.