Possible Clues:

• Philip lay fulminating about teasing
• Jesting, pull a fairy’s wings off
• In high spirits, having got full pay organised
• Funny reason one can’t get into the theatre for audition?
• Piano melody, getting loud, starts to unwind later in high-spirited style
• Like a frisky puppy
• 'Returns Only' ... 'Must End Shortly' (just kidding)
• Frisky, full of fun
• Kittenish
• Skittish, like Shaw?