Possible Clues:

• Start of opera is finished and somehow not quite true
• Piece of music clear and perfect without piano
• Finished on time with university concerning approach
• Public union leader about to make a proposal
• Introduction of earnestness following short flip approach
• Approach plain with river
• Upset as note is missed at start of Elgar piece
• Curtain-raiser sees flower open first
• Clear river akin to 18 12
• Operatic opening