Mercury Musical Developments is the UK’s only membership organisation dedicated to developing new musical theatre writing. We nurture and support the work of bookwriters, lyricists and composers through a series of initiatives including workshops, masterclasses and showcasing opportunities. Join our growing community of over 400 members and be part of the conversation shaping the future of musical theatre writing.


  • Craft: attend regular craft seminars, plus masterclasses and workshops with leading practitioners
  • Career: advice and support on your career from peer mentors and industry leaders
  • Connections: promote your musical to our wide list of contacts, take part in showcasing opportunities
  • Community: network instantly with musical theatre writers here in the UK and overseas
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