Related Clues:
- First part of '1776'
- It starts when an overture's over
- Orchestral opener
- Prelude; advance
- Opening on Broadway?
- Stage start
- Proposal concerning trade union engineers
- Follower of a rising curtain
- When Prospero declares 'My library was dukedom large enough' in 'The Tempest'
- It includes the opening scene
- Intermission preceder, maybe
- Oratorio opener, often
- Teleplay opener
- When the soothsayer warns Caesar
- Open University about to make an offer