Related Clues:

• Friendly approach or orchestral prelude
• Orchestral music at the beginning of an opera
• Orchestral prelude to opera
• Prelude to opera or ballet
• Orchestral composition as prelude, or a friendly advance
• Music played before an opera
• Orchestral introduction to an opera
• It's all for show to 4 down with this
• Composition goody-goody's written about characters in Hell
• Proposal made public - press no good?
• Early piece of advertising to avoid
• Opening piece of open flower
• Public union leader about to make a proposal
• Approach - musical introduction
• Introductory piece