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Where new musicals begin

Mercury Musical Developments (MMD) is a membership organisation dedicated to musical theatre writing.

We are a thriving community of over 400 composers, lyricists and book writers from across the UK and the world. We run a year-round programme of initiatives designed to support members through a range of professional development and showcasing initiatives, including masterclasses, residencies, writers’ groups and mentorships.

We connect the wider theatre industry with writers and their musicals, seeking out opportunities, discovering talent and nurturing new work, ensuring that British musical theatre has a bright future.

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What's Going On

News, events and upcoming opportunities

CAST ANNOUNCEMENT FOR THE 2024 BEST NEW SONG PRIZE CONCERT

“A glorious celebration of original musical theatre writing… performed by a glittering cast… that reveals just how strong the art...

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CAST ANNOUNCEMENT FOR THE 2024 BEST NEW SONG PRIZE CONCERT

“A glorious celebration of original musical theatre writing… performed by a glittering cast… that reveals just how strong the art form is, particularly here in the UK.” –  Musical Theatre Review   Mercury Musical Developments and Stiles + Drewe in...

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Members Christmas Night Out!

🎄 MMD & MTN Members Christmas Night Out! 🎄 Join us for an...

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Open Mic Night

MMD is hosting another of its renowned Open Mic nights, which allows...

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Stiles + Drewe Best New Song Prize 2024

Join us for a night of showstopping new musical theatre, performed by...

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Mercury Writers Barn – a blog by Keia Johnson

Take a city girl from Memphis, Tennessee, who’s never spent one day...

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Done is Perfect – a blog by Hannah Ost

I was making tea in a barn, in the middle of nowhere...

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Ten years on from winning the Best New Song Prize – a blog by Tamar Broadbent

On the evening of the Stiles + Drewe Best New Song Prize,...

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Memberships

Join MMD and become part of a community of writers at the forefront of new musical theatre

Masterclasses and talks

Attend regular events led by industry experts and grow your knowledge and skills

Advice and script reading

Get feedback on your writing, mentoring and practical advice

Meet other writers

Create a network and find your collaborators

Career opportunities

Showcase your work and make industry connections