Related Clues:

• Start of an acting career, ideally
• What may precede Chapter 1 in a novel
• Introductory section (of, eg, a play)
• Preamble has spacing between printed lines reduced slightly
• Entrance is outstanding outside university
• Run for the first time
• Be an usher (2 words)
• When an opera's musical themes may be established
• First appearance in time after Bude riots
• Introduction before taking stroll?
• Introductory remark
• Went by Underground the wrong way in the beginning
• First performance of French object of ridicule falls short
• Introduction prior to stroll?
• Rule out dropping contralto for opening