Treason is a musical with music and lyrics by Ricky Allan with a book by Allan and Kieran Lynn based on the 1605 Gunpowder Plot.^[1]

The musical was announced in November 2020 and released a 5-track EP featured Hadley Fraser and Rosalie Craig.^[2]

In March 2021, a concert filmed at the Cadogan Hall was streamed featuring Lucie Jones, Bradley Jaden,Oliver Tompsett and Cedric Neal.^[3] 3 tracks were released on a new EP titled Acoustic Fables. Workshops were held in December 2021 with students from the Royal Academy of Arts and in March 2021.

In August 2022, two sold-out concerts were performed at the Theatre Royal, Drury Lane starring Carrie Hope Fletcher, Daniel Boys, Bradley Jaden, Simon-Anthony Rhoden and Les Dennis. A live album was released titled Lighting the Fuse on 10 February 2023.^[4] Another 6-week workshop was also held in March 2023.^[5]

The musical had its world premiere production opening at the Edinburgh Festival Theatre from 25 to 28 October 2023, before touring to the Lyceum Theatre, Sheffield (31 October to 4 November), Alexandra Palace, London (8 to 18 November) and the London Palladium (21 to 22 November - due to a cancelled run at the Orchard Theatre, Dartford) directed by Hannah Chissick and starring Nicole Raquel Dennis as Martha Percy, Joe McFadden as King James I of England and Emilie Louise Israel as Anne Vaux. Full casting was announced on 16 October 2023.^[6]