Related Clues:

• Instrumental part at start of song
• Opening instrumental passage of song
• Introduction to subject
• First few bars of music
• First bars of a musical composition
• Spare about 500 one preliminary
• 101 course, typically
• Opening words, for short
• Bizarre denial included in introduction
• Beginning bars
• Musical beginning
• Starter course
• Brief opening
• Curtain-raiser sees flower open first
• A brief account of nitro liquid