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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

Cameron Mackintosh Musical Theatre Writing Placement 2025

Mercury Musical Developments (MMD) and Musical Theatre Network (MTN)  are delighted to announce the next Cameron Mackintosh Resident Writer placement...

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Cameron Mackintosh Musical Theatre Writing Placement 2025

Mercury Musical Developments (MMD) and Musical Theatre Network (MTN)  are delighted to announce the next Cameron Mackintosh Resident Writer placement will be hosted by British Youth Music Theatre (BYMT), funded by the Mackintosh Foundation. Through this scheme, professional musical theatre...

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Open Mic Night

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

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MMD in Tokyo! – A blog by Rachel Bellman

I’m writing this from an altitude of 38999 feet, eight hours into...

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Stiles + Drewe and Mercury Musical Developments announce winner for the 2024 Best New Song Prize

The winner is Emma Vieceli with song ‘It Starts Small’ from the...

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Tuesday Tune-In: A Wicked Morning

On the last Tuesday of each month we are holding an online...

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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...

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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