Blue Lights Soundtrack Season 4 (2026) Guide
Three years into their demanding roles on the volatile streets of Belfast, Constables Grace Ellis, Tommy Foster, and Annie Conlon are pushed to their limits by a dangerous wave of street crime. At the same time, the murder trial of Gerry Cliff begins, exposing a dark, long-buried secret that ignites chaos within the police ranks and the criminal underworld. As the line between right and wrong blurs, familiar faces return to answer lingering questions, forcing the officers to examine what justice truly means in Northern Ireland. Caught between corporate crime and street violence, Grace, Tommy, and Annie must make life-altering decisions about their futures while finding the ultimate courage to face their greatest threat: the truth.
Created by Declan Lawn and Adam Patterson, BBC One's acclaimed police drama Blue Lights returns for its fourth season, pushing Constables Grace Ellis (Siân Brooke), Annie Conlon (Katherine Devlin), and Tommy Foster (Nathan Braniff) into the high-stakes aftermath of their probation years. Centered on the explosive courtroom trial following Gerry Cliff's death and a tangled web of state collusion, the narrative explores the systemic fractures within the Police Service of Northern Ireland (PSNI). Against Belfast's intense urban backdrop, the series pairs documentary-style tension with an authentic sonic identity that mirrors the personal cost of duty on the front lines.
Irish rock classics and melancholic folk tracks define the emotional stakes of the fourth season. Alongside Dropkick Murphys' thunderous Celtic-punk anthem "I'm Shipping Up to Boston" featured in the official trailer, the episodes highlight local legends and roots icons. Galway rock band The Stunning injects raw energy with "Brewing Up a Storm," while Belfast's own Arborist delivers a brooding rendition of "Everybody Knows." Emotional flashback and reflective sequences are framed by Kris Kristofferson's "Please Don't Tell Me How the Story Ends," Bap Kennedy's "Moonlight Kiss," Chaka Khan's "Ain't Nobody," and a poignant sendoff scored to Van Morrison's 1974 classic "Bulbs."
Popular Songs from Season 4
Episode 1: Eyes (Sep 29, 2026)
Episode 1 Songs: The section is challenged by escalating tensions at a community event, while the investigation into Dana Morgan’s drug partnership with Tina McIntyre falters.
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Please Don't Tell Me How the Story Ends
Scene Context: Sandra and Tommy discuss the impact of policing on Gerry and Aisling.
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Scene Context: The Stunning's track plays prior to Annie receiving Amira's urgent phone call for assistance.
Episode 2: Numbers (Oct 6, 2026)
Episode 2 Songs: In the wake of the attack on Amira, Grace’s determination puts her in danger, while Mo spirals further with violent consequences.
Episode 3: Everybody Knows (Oct 13, 2026)
Episode 3 Songs: As Gerry’s murder trial begins, Mo’s unstable mental health ignites a struggle between the state and justice. Shane has a tense stand-off with Lee.
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COINT
the thing is...
Scene Context: Grace visits Katie Close following the receipt of a threatening note and documents the encounter.
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Everybody Knows
Arborist
Scene Context: Sandra confronts Tina following the verdict.
Episode 4: So Far (Oct 20, 2026)
Episode 4 Songs: Sandra reflects on a secret Gerry once shared with her and realises that she is in possession of volatile information.
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Are You Sure Hank Done It This Way
Scene Context: Gerry prepares in the morning.
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Moonlight Kiss
Bap Kennedy
Scene Context: Gerry considers texting Sandra, then they communicate about planning a visit to both Dagenham and Belfast.
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Scene Context: Sandra encourages Gerry to let go of past issues on their wedding night.
Episode 5: Ghosts (Oct 27, 2026)
Episode 5 Songs: Sandra enlists help to expose Gerry’s secrets, while Tommy and Shane inch closer to exposing the drug pipeline.
Episode 6: The Line (Nov 3, 2026)
Episode 6 Songs: Life is in the balance after the explosion at Katie’s house, while Gerry’s evidence on state collusion is released. The section race to put an end to Morgan’s empire.
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Scene Context: Grace transitions from her farewell at Blackthorn Station to her final patrol shift with Stevie.
Blue Lights Season 4 Trailer Songs
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I'm Shipping up to Boston
Blue Lights Series 4 Trailer Music
Alongside the commercial tracklist, composer Eoin O'Callaghan (recording as Elma Orkestra) anchors the series with his BAFTA-nominated original score. Blending minimalist ambient electronics, fractured string arrangements, and low-frequency drones, O'Callaghan's cues mirror the chronic exhaustion and tension of frontline policing in Northern Ireland. Explore the complete Blue Lights Season 4 soundtrack guide on SeekerTune to track song placements by episode, scene timestamps, and full streaming links.
Main Cast
- Sian Brooke Grace Ellis
- Katherine Devlin Annie Conlon
- Nathan Braniff Tommy Foster
- Martin McCann Stevie Neil
- Joanne Crawford Helen McNally
- Hannah McClean Jen Robinson
- Andi Osho Sandra Cliff
- Desmond Eastwood Murray Canning
- Frank Blake Shane Bradley
- Dearbháile McKinney Aisling
Official Trailer
Related Soundtracks
Soundtrack Crossovers
Complete Soundtrack List - All Songs Played in Every Episode
| Episode | Song Title | Artist |
|---|---|---|
| E1 | Please Don't Tell Me How the Story Ends | Kris Kristofferson |
| E1 | Brewing Up a Storm | The Stunning |
| E3 | COINT | the thing is... |
| E3 | Everybody Knows | Arborist |
| E4 | Are You Sure Hank Done It This Way | Waylon Jennings |
| E4 | Moonlight Kiss | Bap Kennedy |
| E4 | Ain't Nobody | Chaka Khan |
| E6 | Bulbs | Van Morrison |