With a new concept each night, Showstoppers! provides a different experience in every show. Its troupe of talented singers and actors improvise a variety of musical scenes based on audience suggestions and the end result can be as hilarious as it is unpredictable.

The Showstoppers have a BBC Radio Four series and eight years of festivals and touring to their name but this autumn they take a leap onto a West End stage. From 24 September-29 November, they will create eighty musicals over their ten week residency and you can see one being made right before your eyes.

To be in with a chance to win a pair of tickets to see one of the shows, answer this question correctly.

Who wrote the music for the stage production of Cabaret?

a) Cannon & Ball
b) Marks & Spencer
c) Kander & Ebb
d) Ebb & Flow
e) Florence & The Machine

Answers should be emailed to  win@thisiscabaret.com with the subject line COMPETITION-SHOWSTOPPER.

The winner will receives a pair of tickets to see Showstopper! The Improvised Musical at Apollo Theatre any time between 24 September–24 October (excluding 30 September and all Saturday performances) For full performance times visit www.showstopperlondon.com.

The competition’s deadline is 11am on Monday 31 August 2015. This Is Cabaret will choose one winner by lucky draw and contact them by email with details on how to redeem their prize. By submitting an entry to this competition you confirm that you are at least 18 years old and have read and accepted our Terms and Conditions.